1364532641 has 4 divisors (see below), whose sum is σ = 1366215984. Its totient is φ = 1362849300.

The previous prime is 1364532629. The next prime is 1364532677. The reversal of 1364532641 is 1462354631.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1364532641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364532691) 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, 840455 + ... + 842076.

It is an arithmetic number, because the mean of its divisors is an integer number (341553996).

Almost surely, 2^1364532641 is an apocalyptic number.

It is an amenable number.

1364532641 is a deficient number, since it is larger than the sum of its proper divisors (1683343).

1364532641 is an equidigital number, since it uses as much as digits as its factorization.

1364532641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683342.

The product of its digits is 51840, while the sum is 35.

The square root of 1364532641 is about 36939.5809532269. The cubic root of 1364532641 is about 1109.1611336418.

The spelling of 1364532641 in words is "one billion, three hundred sixty-four million, five hundred thirty-two thousand, six hundred forty-one".