29318656537 has 2 divisors, whose sum is σ = 29318656538. Its totient is φ = 29318656536.

The previous prime is 29318656327. The next prime is 29318656559. The reversal of 29318656537 is 73565681392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16814049561 + 12504606976 = 129669^2 + 111824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29318656537 is a prime.

It is a super-2 number, since 2×29318656537² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29318654537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14659328268 + 14659328269.

It is an arithmetic number, because the mean of its divisors is an integer number (14659328269).

Almost surely, 2^29318656537 is an apocalyptic number.

It is an amenable number.

29318656537 is a deficient number, since it is larger than the sum of its proper divisors (1).

29318656537 is an equidigital number, since it uses as much as digits as its factorization.

29318656537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The spelling of 29318656537 in words is "twenty-nine billion, three hundred eighteen million, six hundred fifty-six thousand, five hundred thirty-seven".