670631435573 has 4 divisors (see below), whose sum is σ = 731597929728. Its totient is φ = 609664941420.

The previous prime is 670631435561. The next prime is 670631435581. The reversal of 670631435573 is 375534136076.

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 670631435573 - 2²⁰ = 670630386997 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 (670631435273) 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, 30483247061 + ... + 30483247082.

It is an arithmetic number, because the mean of its divisors is an integer number (182899482432).

Almost surely, 2^670631435573 is an apocalyptic number.

It is an amenable number.

670631435573 is a deficient number, since it is larger than the sum of its proper divisors (60966494155).

670631435573 is a wasteful number, since it uses less digits than its factorization.

670631435573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60966494154.

The product of its (nonzero) digits is 4762800, while the sum is 50.

The spelling of 670631435573 in words is "six hundred seventy billion, six hundred thirty-one million, four hundred thirty-five thousand, five hundred seventy-three".