29145908837 has 2 divisors, whose sum is σ = 29145908838. Its totient is φ = 29145908836.

The previous prime is 29145908761. The next prime is 29145908843. The reversal of 29145908837 is 73880954192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15032231236 + 14113677601 = 122606^2 + 118801^2 .

It is a cyclic number.

It is not a de Polignac number, because 29145908837 - 2⁸ = 29145908581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29145908437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14572954418 + 14572954419.

It is an arithmetic number, because the mean of its divisors is an integer number (14572954419).

Almost surely, 2^29145908837 is an apocalyptic number.

It is an amenable number.

29145908837 is a deficient number, since it is larger than the sum of its proper divisors (1).

29145908837 is an equidigital number, since it uses as much as digits as its factorization.

29145908837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 29145908837 in words is "twenty-nine billion, one hundred forty-five million, nine hundred eight thousand, eight hundred thirty-seven".