3912566979 has 4 divisors (see below), whose sum is σ = 5216755976. Its totient is φ = 2608377984.

The previous prime is 3912566969. The next prime is 3912566993. The reversal of 3912566979 is 9796652193.

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

It is not a de Polignac number, because 3912566979 - 2¹³ = 3912558787 is a prime.

It is a super-2 number, since 2×3912566979² = 30616360730322372882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3912566969) 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, 652094494 + ... + 652094499.

It is an arithmetic number, because the mean of its divisors is an integer number (1304188994).

Almost surely, 2^3912566979 is an apocalyptic number.

3912566979 is a deficient number, since it is larger than the sum of its proper divisors (1304188997).

3912566979 is a wasteful number, since it uses less digits than its factorization.

3912566979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304188996.

The product of its digits is 5511240, while the sum is 57.

The square root of 3912566979 is about 62550.5154175407. The cubic root of 3912566979 is about 1575.7498039345.

The spelling of 3912566979 in words is "three billion, nine hundred twelve million, five hundred sixty-six thousand, nine hundred seventy-nine".