4151979516 has 12 divisors (see below), whose sum is σ = 9687952232. Its totient is φ = 1383993168.

The previous prime is 4151979473. The next prime is 4151979589. The reversal of 4151979516 is 6159791514.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172999135 + ... + 172999158.

Almost surely, 2^4151979516 is an apocalyptic number.

It is an amenable number.

4151979516 is an abundant number, since it is smaller than the sum of its proper divisors (5535972716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4151979516 is a wasteful number, since it uses less digits than its factorization.

4151979516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345998300 (or 345998298 counting only the distinct ones).

The product of its digits is 340200, while the sum is 48.

The square root of 4151979516 is about 64435.8558257745. The cubic root of 4151979516 is about 1607.2560433820.

The spelling of 4151979516 in words is "four billion, one hundred fifty-one million, nine hundred seventy-nine thousand, five hundred sixteen".