670515713541 has 48 divisors (see below), whose sum is σ = 1001640923712. Its totient is φ = 431954208000.

The previous prime is 670515713537. The next prime is 670515713561. The reversal of 670515713541 is 145317515076.

670515713541 is a `hidden beast` number, since 6 + 7 + 0 + 5 + 1 + 571 + 35 + 41 = 666.

670515713541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670515713541 - 2² = 670515713537 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670515713501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56005686 + ... + 56017656.

It is an arithmetic number, because the mean of its divisors is an integer number (20867519244).

Almost surely, 2^670515713541 is an apocalyptic number.

It is an amenable number.

670515713541 is a deficient number, since it is larger than the sum of its proper divisors (331125210171).

670515713541 is a wasteful number, since it uses less digits than its factorization.

670515713541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13554 (or 13551 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 670515713541 in words is "six hundred seventy billion, five hundred fifteen million, seven hundred thirteen thousand, five hundred forty-one".