709465920804 has 81 divisors (see below), whose sum is σ = 1817383180977. Its totient is φ = 233363714688.

The previous prime is 709465920773. The next prime is 709465920827. The reversal of 709465920804 is 408029564907.

The square root of 709465920804 is 842298.

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

709465920804 is a `hidden beast` number, since 7 + 0 + 9 + 46 + 592 + 0 + 8 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 359532152100 + 349933768704 = 599610^2 + 591552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 399248364 + ... + 399250140.

Almost surely, 2^709465920804 is an apocalyptic number.

709465920804 is the 842298-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709465920804

709465920804 is an abundant number, since it is smaller than the sum of its proper divisors (1107917260173).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

709465920804 is an equidigital number, since it uses as much as digits as its factorization.

709465920804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 709465920804 in words is "seven hundred nine billion, four hundred sixty-five million, nine hundred twenty thousand, eight hundred four".