670451738263 has 2 divisors, whose sum is σ = 670451738264. Its totient is φ = 670451738262.

The previous prime is 670451738207. The next prime is 670451738291. The reversal of 670451738263 is 362837154076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670451738263 - 2³³ = 661861803671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 670451738263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670451738063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335225869131 + 335225869132.

It is an arithmetic number, because the mean of its divisors is an integer number (335225869132).

Almost surely, 2^670451738263 is an apocalyptic number.

670451738263 is a deficient number, since it is larger than the sum of its proper divisors (1).

670451738263 is an equidigital number, since it uses as much as digits as its factorization.

670451738263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 670451738263 in words is "six hundred seventy billion, four hundred fifty-one million, seven hundred thirty-eight thousand, two hundred sixty-three".