700818313609 has 2 divisors, whose sum is σ = 700818313610. Its totient is φ = 700818313608.

The previous prime is 700818313579. The next prime is 700818313739. The reversal of 700818313609 is 906313818007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389091507984 + 311726805625 = 623772^2 + 558325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700818313609 is a prime.

It is a super-2 number, since 2×700818313609² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (700818313309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350409156804 + 350409156805.

It is an arithmetic number, because the mean of its divisors is an integer number (350409156805).

Almost surely, 2^700818313609 is an apocalyptic number.

It is an amenable number.

700818313609 is a deficient number, since it is larger than the sum of its proper divisors (1).

700818313609 is an equidigital number, since it uses as much as digits as its factorization.

700818313609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 700818313609 in words is "seven hundred billion, eight hundred eighteen million, three hundred thirteen thousand, six hundred nine".