612407344501 has 4 divisors (see below), whose sum is σ = 612437034604. Its totient is φ = 612377654400.

The previous prime is 612407344477. The next prime is 612407344529. The reversal of 612407344501 is 105443704216.

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 221794844401 + 390612500100 = 470951^2 + 624990^2 .

It is a cyclic number.

It is not a de Polignac number, because 612407344501 - 2¹³ = 612407336309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612407344201) 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, 14814090 + ... + 14855371.

It is an arithmetic number, because the mean of its divisors is an integer number (153109258651).

Almost surely, 2^612407344501 is an apocalyptic number.

It is an amenable number.

612407344501 is a deficient number, since it is larger than the sum of its proper divisors (29690103).

612407344501 is a wasteful number, since it uses less digits than its factorization.

612407344501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29690102.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 612407344501 in words is "six hundred twelve billion, four hundred seven million, three hundred forty-four thousand, five hundred one".