3979617019 has 16 divisors (see below), whose sum is σ = 4710004992. Its totient is φ = 3291609888.

The previous prime is 3979617007. The next prime is 3979617053. The reversal of 3979617019 is 9107169793.

It is not a de Polignac number, because 3979617019 - 2⁹ = 3979616507 is a prime.

It is a super-2 number, since 2×3979617019² = 31674703235828892722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3979612019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54664 + ... + 104629.

It is an arithmetic number, because the mean of its divisors is an integer number (294375312).

Almost surely, 2^3979617019 is an apocalyptic number.

3979617019 is a deficient number, since it is larger than the sum of its proper divisors (730387973).

3979617019 is a wasteful number, since it uses less digits than its factorization.

3979617019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159426.

The product of its (nonzero) digits is 642978, while the sum is 52.

The square root of 3979617019 is about 63084.2057808450. The cubic root of 3979617019 is about 1584.7001285638.

The spelling of 3979617019 in words is "three billion, nine hundred seventy-nine million, six hundred seventeen thousand, nineteen".