364402253261 has 4 divisors (see below), whose sum is σ = 364465271712. Its totient is φ = 364339234812.

The previous prime is 364402253251. The next prime is 364402253263. The reversal of 364402253261 is 162352204463.

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-364402253261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364402253263) 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, 31500551 + ... + 31512116.

It is an arithmetic number, because the mean of its divisors is an integer number (91116317928).

Almost surely, 2^364402253261 is an apocalyptic number.

It is an amenable number.

364402253261 is a deficient number, since it is larger than the sum of its proper divisors (63018451).

364402253261 is an equidigital number, since it uses as much as digits as its factorization.

364402253261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63018450.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 364402253261 in words is "three hundred sixty-four billion, four hundred two million, two hundred fifty-three thousand, two hundred sixty-one".