979413143 has 4 divisors (see below), whose sum is σ = 1013186040. Its totient is φ = 945640248.

The previous prime is 979413139. The next prime is 979413161. The reversal of 979413143 is 341314979.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 979413143 - 2² = 979413139 is a prime.

It is a super-2 number, since 2×979413143² = 1918500209362276898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 979413143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979413103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16886405 + ... + 16886462.

It is an arithmetic number, because the mean of its divisors is an integer number (253296510).

Almost surely, 2^979413143 is an apocalyptic number.

979413143 is a deficient number, since it is larger than the sum of its proper divisors (33772897).

979413143 is a wasteful number, since it uses less digits than its factorization.

979413143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33772896.

The product of its digits is 81648, while the sum is 41.

The square root of 979413143 is about 31295.5770517177. The cubic root of 979413143 is about 993.0900772774.

The spelling of 979413143 in words is "nine hundred seventy-nine million, four hundred thirteen thousand, one hundred forty-three".