612407344539 has 8 divisors (see below), whose sum is σ = 816670200640. Its totient is φ = 408208025736.

The previous prime is 612407344529. The next prime is 612407344543. The reversal of 612407344539 is 935443704216.

It is a happy number.

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

It is not a de Polignac number, because 612407344539 - 2²¹ = 612405247387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612407344529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15861829 + ... + 15900390.

It is an arithmetic number, because the mean of its divisors is an integer number (102083775080).

Almost surely, 2^612407344539 is an apocalyptic number.

612407344539 is a deficient number, since it is larger than the sum of its proper divisors (204262856101).

612407344539 is a wasteful number, since it uses less digits than its factorization.

612407344539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31768649.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 612407344539 in words is "six hundred twelve billion, four hundred seven million, three hundred forty-four thousand, five hundred thirty-nine".