29993708655700 has 36 divisors (see below), whose sum is σ = 65113012117692. Its totient is φ = 11992568377600.

The previous prime is 29993708655689. The next prime is 29993708655721. The reversal of 29993708655700 is 755680739992.

It can be written as a sum of positive squares in 6 ways, for example, as 5048838229444 + 24944870426256 = 2246962^2 + 4994484^2 .

It is a super-2 number, since 2×29993708655700² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29993708655700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61193239 + ... + 61681438.

It is an arithmetic number, because the mean of its divisors is an integer number (1808694781047).

Almost surely, 2^{29993708655700} is an apocalyptic number.

29993708655700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29993708655700 is an abundant number, since it is smaller than the sum of its proper divisors (35119303461992).

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

29993708655700 is a wasteful number, since it uses less digits than its factorization.

29993708655700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122877132 (or 122877125 counting only the distinct ones).

The product of its (nonzero) digits is 257191200, while the sum is 70.

The spelling of 29993708655700 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven hundred eight million, six hundred fifty-five thousand, seven hundred".