704842523401 has 9 divisors (see below), whose sum is σ = 707699250453. Its totient is φ = 701997291840.

The previous prime is 704842523389. The next prime is 704842523449. The reversal of 704842523401 is 104325248407.

The square root of 704842523401 is 839549.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 649231451001 + 55611072400 = 805749^2 + 235820^2 .

It is not a de Polignac number, because 704842523401 - 2¹⁷ = 704842392329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704842523101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 225837121 + ... + 225840241.

Almost surely, 2^704842523401 is an apocalyptic number.

704842523401 is the 839549-th square number.

704842523401 is the 419775-th centered octagonal number.

It is an amenable number.

704842523401 is a deficient number, since it is larger than the sum of its proper divisors (2856727052).

704842523401 is an frugal number, since it uses more digits than its factorization.

704842523401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 704842523401 in words is "seven hundred four billion, eight hundred forty-two million, five hundred twenty-three thousand, four hundred one".