979342269891 has 8 divisors (see below), whose sum is σ = 1309078837584. Its totient is φ = 651250274400.

The previous prime is 979342269883. The next prime is 979342269953. The reversal of 979342269891 is 198962243979.

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

It is not a de Polignac number, because 979342269891 - 2³ = 979342269883 is a prime.

It is a super-2 number, since 2×979342269891² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (979342269811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411141660 + ... + 411144041.

It is an arithmetic number, because the mean of its divisors is an integer number (163634854698).

Almost surely, 2^979342269891 is an apocalyptic number.

979342269891 is a deficient number, since it is larger than the sum of its proper divisors (329736567693).

979342269891 is a wasteful number, since it uses less digits than its factorization.

979342269891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822286101.

The product of its digits is 105815808, while the sum is 69.

The spelling of 979342269891 in words is "nine hundred seventy-nine billion, three hundred forty-two million, two hundred sixty-nine thousand, eight hundred ninety-one".