4915779023691 has 12 divisors (see below), whose sum is σ = 7100597053368. Its totient is φ = 3277173391584.

The previous prime is 4915779023671. The next prime is 4915779023699. The reversal of 4915779023691 is 1963209775194.

4915779023691 is a `hidden beast` number, since 491 + 57 + 7 + 9 + 0 + 2 + 3 + 6 + 91 = 666.

It is not a de Polignac number, because 4915779023691 - 2⁷ = 4915779023563 is a prime.

It is a super-3 number, since 3×4915779023691³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4915779023699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1829551 + ... + 3630263.

It is an arithmetic number, because the mean of its divisors is an integer number (591716421114).

Almost surely, 2^{4915779023691} is an apocalyptic number.

4915779023691 is a deficient number, since it is larger than the sum of its proper divisors (2184818029677).

4915779023691 is a wasteful number, since it uses less digits than its factorization.

4915779023691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104042 (or 2104039 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 4915779023691 in words is "four trillion, nine hundred fifteen billion, seven hundred seventy-nine million, twenty-three thousand, six hundred ninety-one".