670172069999 has 2 divisors, whose sum is σ = 670172070000. Its totient is φ = 670172069998.

The previous prime is 670172069951. The next prime is 670172070017. The reversal of 670172069999 is 999960271076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670172069999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670172069899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335086034999 + 335086035000.

It is an arithmetic number, because the mean of its divisors is an integer number (335086035000).

Almost surely, 2^670172069999 is an apocalyptic number.

670172069999 is a deficient number, since it is larger than the sum of its proper divisors (1).

670172069999 is an equidigital number, since it uses as much as digits as its factorization.

670172069999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23147208, while the sum is 65.

The spelling of 670172069999 in words is "six hundred seventy billion, one hundred seventy-two million, sixty-nine thousand, nine hundred ninety-nine".