29657770445996 has 72 divisors (see below), whose sum is σ = 66585267291648. Its totient is φ = 11309124895200.

The previous prime is 29657770445969. The next prime is 29657770446001. The reversal of 29657770445996 is 69954407775692.

It is a self number, because there is not a number n which added to its sum of digits gives 29657770445996.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92965970 + ... + 93284441.

Almost surely, 2^{29657770445996} is an apocalyptic number.

It is an amenable number.

29657770445996 is an abundant number, since it is smaller than the sum of its proper divisors (36927496845652).

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

29657770445996 is a wasteful number, since it uses less digits than its factorization.

29657770445996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186250491 (or 186250478 counting only the distinct ones).

The product of its (nonzero) digits is 7201353600, while the sum is 80.

The spelling of 29657770445996 in words is "twenty-nine trillion, six hundred fifty-seven billion, seven hundred seventy million, four hundred forty-five thousand, nine hundred ninety-six".