29100591968 has 48 divisors (see below), whose sum is σ = 66812608800. Its totient is φ = 12471677568.

The previous prime is 29100591953. The next prime is 29100592049. The reversal of 29100591968 is 86919500192.

It is a super-2 number, since 2×29100591968² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1314671 + ... + 1336622.

It is an arithmetic number, because the mean of its divisors is an integer number (1391929350).

Almost surely, 2^29100591968 is an apocalyptic number.

29100591968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29100591968 is an abundant number, since it is smaller than the sum of its proper divisors (37712016832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29100591968 is an equidigital number, since it uses as much as digits as its factorization.

29100591968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651324 (or 2651302 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 29100591968 in words is "twenty-nine billion, one hundred million, five hundred ninety-one thousand, nine hundred sixty-eight".