79141221004 has 6 divisors (see below), whose sum is σ = 138497136764. Its totient is φ = 39570610500.

The previous prime is 79141220971. The next prime is 79141221011. The reversal of 79141221004 is 40012214197.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9892652622 + ... + 9892652629.

Almost surely, 2^79141221004 is an apocalyptic number.

It is an amenable number.

79141221004 is a deficient number, since it is larger than the sum of its proper divisors (59355915760).

79141221004 is a wasteful number, since it uses less digits than its factorization.

79141221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19785305255 (or 19785305253 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 79141221004 in words is "seventy-nine billion, one hundred forty-one million, two hundred twenty-one thousand, four".