7915105413 has 6 divisors (see below), whose sum is σ = 11432930054. Its totient is φ = 5276736936.

The previous prime is 7915105409. The next prime is 7915105423. The reversal of 7915105413 is 3145015197.

It is a happy number.

7915105413 is a `hidden beast` number, since 7 + 91 + 510 + 54 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5308288164 + 2606817249 = 72858^2 + 51057^2 .

It is not a de Polignac number, because 7915105413 - 2² = 7915105409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7915105423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 439728070 + ... + 439728087.

Almost surely, 2^7915105413 is an apocalyptic number.

It is an amenable number.

7915105413 is a deficient number, since it is larger than the sum of its proper divisors (3517824641).

7915105413 is a wasteful number, since it uses less digits than its factorization.

7915105413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879456163 (or 879456160 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 7915105413 is about 88966.8781794663. The cubic root of 7915105413 is about 1992.9002778786.

The spelling of 7915105413 in words is "seven billion, nine hundred fifteen million, one hundred five thousand, four hundred thirteen".