670597770439 has 2 divisors, whose sum is σ = 670597770440. Its totient is φ = 670597770438.

The previous prime is 670597770391. The next prime is 670597770457. The reversal of 670597770439 is 934077795076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670597770439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670597770499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335298885219 + 335298885220.

It is an arithmetic number, because the mean of its divisors is an integer number (335298885220).

Almost surely, 2^670597770439 is an apocalyptic number.

670597770439 is a deficient number, since it is larger than the sum of its proper divisors (1).

670597770439 is an equidigital number, since it uses as much as digits as its factorization.

670597770439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70013160, while the sum is 64.

The spelling of 670597770439 in words is "six hundred seventy billion, five hundred ninety-seven million, seven hundred seventy thousand, four hundred thirty-nine".