29993239933902 has 48 divisors (see below), whose sum is σ = 78637738319712. Its totient is φ = 8065409057280.

The previous prime is 29993239933879. The next prime is 29993239933903. The reversal of 29993239933902 is 20933993239992.

29993239933902 is a `hidden beast` number, since 2 + 9 + 99 + 32 + 39 + 93 + 390 + 2 = 666.

It is a super-2 number, since 2×29993239933902² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29993239933903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7001220999 + ... + 7001225282.

It is an arithmetic number, because the mean of its divisors is an integer number (1638286214994).

Almost surely, 2^{29993239933902} is an apocalyptic number.

29993239933902 is an abundant number, since it is smaller than the sum of its proper divisors (48644498385810).

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

29993239933902 is a wasteful number, since it uses less digits than its factorization.

29993239933902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002446313 (or 14002446310 counting only the distinct ones).

The product of its (nonzero) digits is 344373768, while the sum is 72.

The spelling of 29993239933902 in words is "twenty-nine trillion, nine hundred ninety-three billion, two hundred thirty-nine million, nine hundred thirty-three thousand, nine hundred two".