56637829213 has 16 divisors (see below), whose sum is σ = 66659328000. Its totient is φ = 47119758192.

The previous prime is 56637829177. The next prime is 56637829243. The reversal of 56637829213 is 31292873665.

It is a cyclic number.

It is not a de Polignac number, because 56637829213 - 2¹³ = 56637821021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56637829243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835333 + ... + 900586.

It is an arithmetic number, because the mean of its divisors is an integer number (4166208000).

Almost surely, 2^56637829213 is an apocalyptic number.

It is an amenable number.

56637829213 is a deficient number, since it is larger than the sum of its proper divisors (10021498787).

56637829213 is a wasteful number, since it uses less digits than its factorization.

56637829213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736064.

The product of its digits is 3265920, while the sum is 52.

The spelling of 56637829213 in words is "fifty-six billion, six hundred thirty-seven million, eight hundred twenty-nine thousand, two hundred thirteen".