6569426704 has 45 divisors (see below), whose sum is σ = 13320848149. Its totient is φ = 3138333440.

The previous prime is 6569426683. The next prime is 6569426711. The reversal of 6569426704 is 4076249656.

The square root of 6569426704 is 81052.

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

It can be written as a sum of positive squares in only one way, i.e., 1152466704 + 5416960000 = 33948^2 + 73600^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7456344 + ... + 7457224.

Almost surely, 2^6569426704 is an apocalyptic number.

6569426704 is the 81052-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6569426704

6569426704 is an abundant number, since it is smaller than the sum of its proper divisors (6751421445).

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

6569426704 is an frugal number, since it uses more digits than its factorization.

6569426704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The cubic root of 6569426704 is about 1872.8765725168.

Multiplying 6569426704 by its sum of digits (49), we get a square (321901908496 = 567364²).

The spelling of 6569426704 in words is "six billion, five hundred sixty-nine million, four hundred twenty-six thousand, seven hundred four".