56394849365 has 4 divisors (see below), whose sum is σ = 67673819244. Its totient is φ = 45115879488.

The previous prime is 56394849353. The next prime is 56394849383.

56394849365 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11339268196 + 45055581169 = 106486^2 + 212263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56394849365 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56394849298 and 56394849307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5639484932 + ... + 5639484941.

It is an arithmetic number, because the mean of its divisors is an integer number (16918454811).

Almost surely, 2^56394849365 is an apocalyptic number.

It is an amenable number.

56394849365 is a deficient number, since it is larger than the sum of its proper divisors (11278969879).

56394849365 is a wasteful number, since it uses less digits than its factorization.

56394849365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278969878.

The product of its digits is 83980800, while the sum is 62.

The spelling of 56394849365 in words is "fifty-six billion, three hundred ninety-four million, eight hundred forty-nine thousand, three hundred sixty-five".