29921159871914 has 4 divisors (see below), whose sum is σ = 44881739807874. Its totient is φ = 14960579935956.

The previous prime is 29921159871851. The next prime is 29921159871931. The reversal of 29921159871914 is 41917895112992.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28589713894225 + 1331445977689 = 5346935^2 + 1153883^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7480289967977 + ... + 7480289967980.

Almost surely, 2^{29921159871914} is an apocalyptic number.

29921159871914 is a deficient number, since it is larger than the sum of its proper divisors (14960579935960).

29921159871914 is a wasteful number, since it uses less digits than its factorization.

29921159871914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14960579935959.

The product of its digits is 29393280, while the sum is 68.

The spelling of 29921159871914 in words is "twenty-nine trillion, nine hundred twenty-one billion, one hundred fifty-nine million, eight hundred seventy-one thousand, nine hundred fourteen".