704036401021 has 2 divisors, whose sum is σ = 704036401022. Its totient is φ = 704036401020.

The previous prime is 704036401001. The next prime is 704036401027. The reversal of 704036401021 is 120104630407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 634754791225 + 69281609796 = 796715^2 + 263214^2 .

It is a cyclic number.

It is not a de Polignac number, because 704036401021 - 2¹⁷ = 704036269949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704036401027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352018200510 + 352018200511.

It is an arithmetic number, because the mean of its divisors is an integer number (352018200511).

Almost surely, 2^704036401021 is an apocalyptic number.

It is an amenable number.

704036401021 is a deficient number, since it is larger than the sum of its proper divisors (1).

704036401021 is an equidigital number, since it uses as much as digits as its factorization.

704036401021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 704036401021 in words is "seven hundred four billion, thirty-six million, four hundred one thousand, twenty-one".