29820670850 has 12 divisors (see below), whose sum is σ = 55466447874. Its totient is φ = 11928268320.

The previous prime is 29820670843. The next prime is 29820670883. The reversal of 29820670850 is 5807602892.

It can be written as a sum of positive squares in 3 ways, for example, as 26803256089 + 3017414761 = 163717^2 + 54931^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29820670795 and 29820670804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 298206659 + ... + 298206758.

Almost surely, 2^29820670850 is an apocalyptic number.

29820670850 is a deficient number, since it is larger than the sum of its proper divisors (25645777024).

29820670850 is a wasteful number, since it uses less digits than its factorization.

29820670850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596413429 (or 596413424 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 29820670850 in words is "twenty-nine billion, eight hundred twenty million, six hundred seventy thousand, eight hundred fifty".