612323465361 has 4 divisors (see below), whose sum is σ = 816431287152. Its totient is φ = 408215643572.

The previous prime is 612323465329. The next prime is 612323465399. The reversal of 612323465361 is 163564323216.

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 not a de Polignac number, because 612323465361 - 2⁵ = 612323465329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612323465161) 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, 102053910891 + ... + 102053910896.

It is an arithmetic number, because the mean of its divisors is an integer number (204107821788).

Almost surely, 2^612323465361 is an apocalyptic number.

It is an amenable number.

612323465361 is a deficient number, since it is larger than the sum of its proper divisors (204107821791).

612323465361 is a wasteful number, since it uses less digits than its factorization.

612323465361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204107821790.

The product of its digits is 466560, while the sum is 42.

Adding to 612323465361 its reverse (163564323216), we get a palindrome (775887788577).

The spelling of 612323465361 in words is "six hundred twelve billion, three hundred twenty-three million, four hundred sixty-five thousand, three hundred sixty-one".