8012415689 has 4 divisors (see below), whose sum is σ = 8014439424. Its totient is φ = 8010391956.

The previous prime is 8012415667. The next prime is 8012415731. The reversal of 8012415689 is 9865142108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8012415689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8017415689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005917 + ... + 1013850.

It is an arithmetic number, because the mean of its divisors is an integer number (2003609856).

Almost surely, 2^8012415689 is an apocalyptic number.

It is an amenable number.

8012415689 is a deficient number, since it is larger than the sum of its proper divisors (2023735).

8012415689 is a wasteful number, since it uses less digits than its factorization.

8012415689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023734.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 8012415689 is about 89512.0980035660. The cubic root of 8012415689 is about 2001.0341059703.

The spelling of 8012415689 in words is "eight billion, twelve million, four hundred fifteen thousand, six hundred eighty-nine".