701623620889 has 2 divisors, whose sum is σ = 701623620890. Its totient is φ = 701623620888.

The previous prime is 701623620839. The next prime is 701623620913. The reversal of 701623620889 is 988026326107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560277699289 + 141345921600 = 748517^2 + 375960^2 .

It is a cyclic number.

It is not a de Polignac number, because 701623620889 - 2¹⁷ = 701623489817 is a prime.

It is not a weakly prime, because it can be changed into another prime (701623620809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350811810444 + 350811810445.

It is an arithmetic number, because the mean of its divisors is an integer number (350811810445).

Almost surely, 2^701623620889 is an apocalyptic number.

It is an amenable number.

701623620889 is a deficient number, since it is larger than the sum of its proper divisors (1).

701623620889 is an equidigital number, since it uses as much as digits as its factorization.

701623620889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 701623620889 in words is "seven hundred one billion, six hundred twenty-three million, six hundred twenty thousand, eight hundred eighty-nine".