29993708032405 has 8 divisors (see below), whose sum is σ = 38761099611192. Its totient is φ = 22149199777728.

The previous prime is 29993708032399. The next prime is 29993708032433. The reversal of 29993708032405 is 50423080739992.

It can be written as a sum of positive squares in 4 ways, for example, as 374267716 + 29993333764689 = 19346^2 + 5476617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29993708032405 - 2⁵ = 29993708032373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230720830954 + ... + 230720831083.

It is an arithmetic number, because the mean of its divisors is an integer number (4845137451399).

Almost surely, 2^{29993708032405} is an apocalyptic number.

It is an amenable number.

29993708032405 is a deficient number, since it is larger than the sum of its proper divisors (8767391578787).

29993708032405 is a wasteful number, since it uses less digits than its factorization.

29993708032405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461441662055.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 29993708032405 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven hundred eight million, thirty-two thousand, four hundred five".