8105913969 has 32 divisors (see below), whose sum is σ = 11661511680. Its totient is φ = 4992541632.

The previous prime is 8105913967. The next prime is 8105913983. The reversal of 8105913969 is 9693195018.

It is a happy number.

It is not a de Polignac number, because 8105913969 - 2¹ = 8105913967 is a prime.

It is a super-2 number, since 2×8105913969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8105913967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496474 + ... + 512540.

It is an arithmetic number, because the mean of its divisors is an integer number (364422240).

Almost surely, 2^8105913969 is an apocalyptic number.

It is an amenable number.

8105913969 is a deficient number, since it is larger than the sum of its proper divisors (3555597711).

8105913969 is a wasteful number, since it uses less digits than its factorization.

8105913969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16309.

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 8105913969 is about 90032.8493884316. The cubic root of 8105913969 is about 2008.7874974797.

The spelling of 8105913969 in words is "eight billion, one hundred five million, nine hundred thirteen thousand, nine hundred sixty-nine".