1053164993 has 4 divisors (see below), whose sum is σ = 1053235248. Its totient is φ = 1053094740.

The previous prime is 1053164989. The next prime is 1053165013. The reversal of 1053164993 is 3994613501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3994613501 = 853 ⋅4683017.

It is a cyclic number.

It is not a de Polignac number, because 1053164993 - 2² = 1053164989 is a prime.

It is a super-2 number, since 2×1053164993² = 2218313004961380098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053164993.

It is not an unprimeable number, because it can be changed into a prime (1053164393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603 + ... + 45968.

It is an arithmetic number, because the mean of its divisors is an integer number (263308812).

Almost surely, 2^1053164993 is an apocalyptic number.

It is an amenable number.

1053164993 is a deficient number, since it is larger than the sum of its proper divisors (70255).

1053164993 is an equidigital number, since it uses as much as digits as its factorization.

1053164993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70254.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1053164993 is about 32452.5036476387. The cubic root of 1053164993 is about 1017.4165665157.

The spelling of 1053164993 in words is "one billion, fifty-three million, one hundred sixty-four thousand, nine hundred ninety-three".