29685940456959 has 12 divisors (see below), whose sum is σ = 42881133928152. Its totient is φ = 19789961360400.

The previous prime is 29685940456903. The next prime is 29685940457009. The reversal of 29685940456959 is 95965404958692.

29685940456959 is a `hidden beast` number, since 2 + 9 + 6 + 8 + 5 + 9 + 40 + 4 + 569 + 5 + 9 = 666.

It is not a de Polignac number, because 29685940456959 - 2⁷ = 29685940456831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29685940456759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55185037 + ... + 55720374.

It is an arithmetic number, because the mean of its divisors is an integer number (3573427827346).

Almost surely, 2^{29685940456959} is an apocalyptic number.

29685940456959 is a deficient number, since it is larger than the sum of its proper divisors (13195193471193).

29685940456959 is a wasteful number, since it uses less digits than its factorization.

29685940456959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110935158 (or 110935155 counting only the distinct ones).

The product of its (nonzero) digits is 7558272000, while the sum is 81.

The spelling of 29685940456959 in words is "twenty-nine trillion, six hundred eighty-five billion, nine hundred forty million, four hundred fifty-six thousand, nine hundred fifty-nine".