612399641 has 8 divisors (see below), whose sum is σ = 724019520. Its totient is φ = 506813328.

The previous prime is 612399629. The next prime is 612399649. The reversal of 612399641 is 146993216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612399641 - 2²⁶ = 545290777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612399649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508171 + ... + 1508576.

It is an arithmetic number, because the mean of its divisors is an integer number (90502440).

Almost surely, 2^612399641 is an apocalyptic number.

It is an amenable number.

612399641 is a deficient number, since it is larger than the sum of its proper divisors (111619879).

612399641 is a wasteful number, since it uses less digits than its factorization.

612399641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016783.

The product of its digits is 69984, while the sum is 41.

The square root of 612399641 is about 24746.7097004834. The cubic root of 612399641 is about 849.2032399992.

The spelling of 612399641 in words is "six hundred twelve million, three hundred ninety-nine thousand, six hundred forty-one".