6158612965 has 4 divisors (see below), whose sum is σ = 7390335564. Its totient is φ = 4926890368.

The previous prime is 6158612959. The next prime is 6158612983. The reversal of 6158612965 is 5692168516.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3300962116 + 2857650849 = 57454^2 + 53457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6158612965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615861292 + ... + 615861301.

It is an arithmetic number, because the mean of its divisors is an integer number (1847583891).

Almost surely, 2^6158612965 is an apocalyptic number.

It is an amenable number.

6158612965 is a deficient number, since it is larger than the sum of its proper divisors (1231722599).

6158612965 is a wasteful number, since it uses less digits than its factorization.

6158612965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231722598.

The product of its digits is 777600, while the sum is 49.

The square root of 6158612965 is about 78476.8307527770. The cubic root of 6158612965 is about 1832.9936930239.

The spelling of 6158612965 in words is "six billion, one hundred fifty-eight million, six hundred twelve thousand, nine hundred sixty-five".