704007323221 has 2 divisors, whose sum is σ = 704007323222. Its totient is φ = 704007323220.

The previous prime is 704007323213. The next prime is 704007323251. The reversal of 704007323221 is 122323700407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455475162321 + 248532160900 = 674889^2 + 498530^2 .

It is a cyclic number.

It is not a de Polignac number, because 704007323221 - 2³ = 704007323213 is a prime.

It is a super-2 number, since 2×704007323221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704007323251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352003661610 + 352003661611.

It is an arithmetic number, because the mean of its divisors is an integer number (352003661611).

Almost surely, 2^704007323221 is an apocalyptic number.

It is an amenable number.

704007323221 is a deficient number, since it is larger than the sum of its proper divisors (1).

704007323221 is an equidigital number, since it uses as much as digits as its factorization.

704007323221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 704007323221 in words is "seven hundred four billion, seven million, three hundred twenty-three thousand, two hundred twenty-one".