1934312051 has 4 divisors (see below), whose sum is σ = 2210642352. Its totient is φ = 1657981752.

The previous prime is 1934312047. The next prime is 1934312111. The reversal of 1934312051 is 1502134391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502134391 = 11633 ⋅129127.

It is not a de Polignac number, because 1934312051 - 2² = 1934312047 is a prime.

It is a super-2 number, since 2×1934312051² = 7483126221287653202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1934312021) 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, 138165140 + ... + 138165153.

It is an arithmetic number, because the mean of its divisors is an integer number (552660588).

Almost surely, 2^1934312051 is an apocalyptic number.

1934312051 is a deficient number, since it is larger than the sum of its proper divisors (276330301).

1934312051 is an equidigital number, since it uses as much as digits as its factorization.

1934312051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276330300.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1934312051 is about 43980.8145786319. The cubic root of 1934312051 is about 1245.9736153869.

The spelling of 1934312051 in words is "one billion, nine hundred thirty-four million, three hundred twelve thousand, fifty-one".