29993702987493 has 48 divisors (see below), whose sum is σ = 49583394771456. Its totient is φ = 17115050921760.

The previous prime is 29993702987473. The next prime is 29993702987503. The reversal of 29993702987493 is 39478920739992.

29993702987493 is a `hidden beast` number, since 2 + 9 + 9 + 9 + 37 + 0 + 2 + 98 + 7 + 493 = 666.

It is not a de Polignac number, because 29993702987493 - 2⁵ = 29993702987461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29993702987473) 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, 136506546 + ... + 136726092.

It is an arithmetic number, because the mean of its divisors is an integer number (1032987391072).

Almost surely, 2^{29993702987493} is an apocalyptic number.

It is an amenable number.

29993702987493 is a deficient number, since it is larger than the sum of its proper divisors (19589691783963).

29993702987493 is a wasteful number, since it uses less digits than its factorization.

29993702987493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222614 (or 222611 counting only the distinct ones).

The product of its (nonzero) digits is 3333197952, while the sum is 81.

The spelling of 29993702987493 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven hundred two million, nine hundred eighty-seven thousand, four hundred ninety-three".