4151979515 has 4 divisors (see below), whose sum is σ = 4982375424. Its totient is φ = 3321583608.

The previous prime is 4151979473. The next prime is 4151979589. The reversal of 4151979515 is 5159791514.

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 4151979515 - 2⁸ = 4151979259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4151979515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415197947 + ... + 415197956.

It is an arithmetic number, because the mean of its divisors is an integer number (1245593856).

Almost surely, 2^4151979515 is an apocalyptic number.

4151979515 is a deficient number, since it is larger than the sum of its proper divisors (830395909).

4151979515 is an equidigital number, since it uses as much as digits as its factorization.

4151979515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830395908.

The product of its digits is 283500, while the sum is 47.

The square root of 4151979515 is about 64435.8558180149. The cubic root of 4151979515 is about 1607.2560432529.

The spelling of 4151979515 in words is "four billion, one hundred fifty-one million, nine hundred seventy-nine thousand, five hundred fifteen".