670451738291 has 2 divisors, whose sum is σ = 670451738292. Its totient is φ = 670451738290.

The previous prime is 670451738263. The next prime is 670451738309. The reversal of 670451738291 is 192837154076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670451738291 is a prime.

It is not a weakly prime, because it can be changed into another prime (670451738491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335225869145 + 335225869146.

It is an arithmetic number, because the mean of its divisors is an integer number (335225869146).

It is a 2-persistent number, because it is pandigital, and so is 2⋅670451738291 = 1340903476582, but 3⋅670451738291 = 2011355214873 is not.

Almost surely, 2^670451738291 is an apocalyptic number.

670451738291 is a deficient number, since it is larger than the sum of its proper divisors (1).

670451738291 is an equidigital number, since it uses as much as digits as its factorization.

670451738291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 670451738291 in words is "six hundred seventy billion, four hundred fifty-one million, seven hundred thirty-eight thousand, two hundred ninety-one".