670424678371 has 4 divisors (see below), whose sum is σ = 766199632432. Its totient is φ = 574649724312.

The previous prime is 670424678359. The next prime is 670424678393. The reversal of 670424678371 is 173876424076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670424678371 - 2²¹ = 670422581219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670424678321) 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, 47887477020 + ... + 47887477033.

It is an arithmetic number, because the mean of its divisors is an integer number (191549908108).

Almost surely, 2^670424678371 is an apocalyptic number.

670424678371 is a deficient number, since it is larger than the sum of its proper divisors (95774954061).

670424678371 is an equidigital number, since it uses as much as digits as its factorization.

670424678371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95774954060.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 670424678371 in words is "six hundred seventy billion, four hundred twenty-four million, six hundred seventy-eight thousand, three hundred seventy-one".