612610406445 has 8 divisors (see below), whose sum is σ = 980176650336. Its totient is φ = 326725550096.

The previous prime is 612610406381. The next prime is 612610406459. The reversal of 612610406445 is 544604016216.

612610406445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 612610406445 - 2⁶ = 612610406381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20420346867 + ... + 20420346896.

It is an arithmetic number, because the mean of its divisors is an integer number (122522081292).

Almost surely, 2^612610406445 is an apocalyptic number.

It is an amenable number.

612610406445 is a deficient number, since it is larger than the sum of its proper divisors (367566243891).

612610406445 is a wasteful number, since it uses less digits than its factorization.

612610406445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40840693771.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 612610406445 in words is "six hundred twelve billion, six hundred ten million, four hundred six thousand, four hundred forty-five".