29657770445997 has 48 divisors (see below), whose sum is σ = 43166785399920. Its totient is φ = 19621050163200.

The previous prime is 29657770445969. The next prime is 29657770446001. The reversal of 29657770445997 is 79954407775692.

29657770445997 is a `hidden beast` number, since 2 + 9 + 6 + 5 + 7 + 7 + 70 + 4 + 459 + 97 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2200442925321 + 27457327520676 = 1483389^2 + 5239974^2 .

It is not a de Polignac number, because 29657770445997 - 2²⁶ = 29657703337133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29657770447997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4576106997 + ... + 4576113477.

It is an arithmetic number, because the mean of its divisors is an integer number (899308029165).

Almost surely, 2^{29657770445997} is an apocalyptic number.

It is an amenable number.

29657770445997 is a deficient number, since it is larger than the sum of its proper divisors (13509014953923).

29657770445997 is a wasteful number, since it uses less digits than its factorization.

29657770445997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12174 (or 12171 counting only the distinct ones).

The product of its (nonzero) digits is 8401579200, while the sum is 81.

The spelling of 29657770445997 in words is "twenty-nine trillion, six hundred fifty-seven billion, seven hundred seventy million, four hundred forty-five thousand, nine hundred ninety-seven".