635754264964 has 135 divisors (see below), whose sum is σ = 1406234198313. Its totient is φ = 250760869632.

The previous prime is 635754264961. The next prime is 635754264979. The reversal of 635754264964 is 469462457536.

The square root of 635754264964 is 797342.

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

It can be written as a sum of positive squares in 7 ways, for example, as 601229652100 + 34524612864 = 775390^2 + 185808^2 .

It is not an unprimeable number, because it can be changed into a prime (635754264961) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1886511004 + ... + 1886511340.

Almost surely, 2^635754264964 is an apocalyptic number.

635754264964 is the 797342-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 635754264964

635754264964 is an abundant number, since it is smaller than the sum of its proper divisors (770479933349).

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

635754264964 is an frugal number, since it uses more digits than its factorization.

635754264964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 359 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 61.

The spelling of 635754264964 in words is "six hundred thirty-five billion, seven hundred fifty-four million, two hundred sixty-four thousand, nine hundred sixty-four".