29993702987402 has 32 divisors (see below), whose sum is σ = 57236857027200. Its totient is φ = 11685858303840.

The previous prime is 29993702987383. The next prime is 29993702987407. The reversal of 29993702987402 is 20478920739992.

It is not an unprimeable number, because it can be changed into a prime (29993702987407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987383323 + ... + 1987398414.

It is an arithmetic number, because the mean of its divisors is an integer number (1788651782100).

Almost surely, 2^{29993702987402} is an apocalyptic number.

29993702987402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29993702987402 is a deficient number, since it is larger than the sum of its proper divisors (27243154039798).

29993702987402 is a wasteful number, since it uses less digits than its factorization.

29993702987402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974781771 (or 3974781757 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 71.

The spelling of 29993702987402 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven hundred two million, nine hundred eighty-seven thousand, four hundred two".