4002912979 has 4 divisors (see below), whose sum is σ = 4310829376. Its totient is φ = 3694996584.

The previous prime is 4002912971. The next prime is 4002913001. The reversal of 4002912979 is 9792192004.

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 4002912979 - 2³ = 4002912971 is a prime.

It is a super-3 number, since 3×4002912979³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002912971) 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, 153958179 + ... + 153958204.

It is an arithmetic number, because the mean of its divisors is an integer number (1077707344).

Almost surely, 2^4002912979 is an apocalyptic number.

4002912979 is a deficient number, since it is larger than the sum of its proper divisors (307916397).

4002912979 is a wasteful number, since it uses less digits than its factorization.

4002912979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307916396.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 4002912979 is about 63268.5781332250. The cubic root of 4002912979 is about 1587.7862972931.

The spelling of 4002912979 in words is "four billion, two million, nine hundred twelve thousand, nine hundred seventy-nine".