29893718404 has 81 divisors (see below), whose sum is σ = 59773945413. Its totient is φ = 13071088800.

The previous prime is 29893718369. The next prime is 29893718417. The reversal of 29893718404 is 40481739892.

The square root of 29893718404 is 172898.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15675540804 + 14218177600 = 125202^2 + 119240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 110308789 + ... + 110309059.

Almost surely, 2^29893718404 is an apocalyptic number.

29893718404 is the 172898-th square number.

It is an amenable number.

29893718404 is a deficient number, since it is larger than the sum of its proper divisors (29880227009).

29893718404 is a wasteful number, since it uses less digits than its factorization.

29893718404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 29893718404 in words is "twenty-nine billion, eight hundred ninety-three million, seven hundred eighteen thousand, four hundred four".