29831936564 has 12 divisors (see below), whose sum is σ = 52215521988. Its totient is φ = 14913216000.

The previous prime is 29831936539. The next prime is 29831936567. The reversal of 29831936564 is 46563913892.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9537084964 + 20294851600 = 97658^2 + 142460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29831936567) 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 3 ways as a sum of consecutive naturals, for example, 663587 + ... + 707114.

It is an arithmetic number, because the mean of its divisors is an integer number (4351293499).

Almost surely, 2^29831936564 is an apocalyptic number.

It is an amenable number.

29831936564 is a deficient number, since it is larger than the sum of its proper divisors (22383585424).

29831936564 is a wasteful number, since it uses less digits than its factorization.

29831936564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376146 (or 1376144 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 56.

The spelling of 29831936564 in words is "twenty-nine billion, eight hundred thirty-one million, nine hundred thirty-six thousand, five hundred sixty-four".