2979426689 has 8 divisors (see below), whose sum is σ = 3137520000. Its totient is φ = 2821461552.

The previous prime is 2979426677. The next prime is 2979426733. The reversal of 2979426689 is 9866249792.

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

It is a cyclic number.

It is not a de Polignac number, because 2979426689 - 2²⁸ = 2710991233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2979426649) 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, 17672 + ... + 79190.

It is an arithmetic number, because the mean of its divisors is an integer number (392190000).

Almost surely, 2^2979426689 is an apocalyptic number.

It is an amenable number.

2979426689 is a deficient number, since it is larger than the sum of its proper divisors (158093311).

2979426689 is a wasteful number, since it uses less digits than its factorization.

2979426689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64087.

The product of its digits is 23514624, while the sum is 62.

The square root of 2979426689 is about 54584.1248807746. The cubic root of 2979426689 is about 1438.9451329600.

The spelling of 2979426689 in words is "two billion, nine hundred seventy-nine million, four hundred twenty-six thousand, six hundred eighty-nine".