612373669 has 4 divisors (see below), whose sum is σ = 625402944. Its totient is φ = 599344396.

The previous prime is 612373649. The next prime is 612373673. The reversal of 612373669 is 966373216.

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 612373669 - 2⁵ = 612373637 is a prime.

It is a super-2 number, since 2×612373669² = 750003020969043122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612373639) 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, 6514567 + ... + 6514660.

It is an arithmetic number, because the mean of its divisors is an integer number (156350736).

Almost surely, 2^612373669 is an apocalyptic number.

It is an amenable number.

612373669 is a deficient number, since it is larger than the sum of its proper divisors (13029275).

612373669 is a wasteful number, since it uses less digits than its factorization.

612373669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029274.

The product of its digits is 244944, while the sum is 43.

The square root of 612373669 is about 24746.1849382890. The cubic root of 612373669 is about 849.1912348657.

The spelling of 612373669 in words is "six hundred twelve million, three hundred seventy-three thousand, six hundred sixty-nine".