670731444011731 has 8 divisors (see below), whose sum is σ = 674248481280000. Its totient is φ = 667214462517960.

The previous prime is 670731444011693. The next prime is 670731444011767. The reversal of 670731444011731 is 137110444137076.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670731444011731 is a prime.

It is a super-2 number, since 2×670731444011731² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670731444011831) 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, 10281030 + ... + 38041588.

It is an arithmetic number, because the mean of its divisors is an integer number (84281060160000).

Almost surely, 2^{670731444011731} is an apocalyptic number.

670731444011731 is a deficient number, since it is larger than the sum of its proper divisors (3517037268269).

670731444011731 is a wasteful number, since it uses less digits than its factorization.

670731444011731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27887249.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 670731444011731 in words is "six hundred seventy trillion, seven hundred thirty-one billion, four hundred forty-four million, eleven thousand, seven hundred thirty-one".