557719201636 has 27 divisors (see below), whose sum is σ = 981906667833. Its totient is φ = 277184514960.

The previous prime is 557719201579. The next prime is 557719201639. The reversal of 557719201636 is 636102917755.

The square root of 557719201636 is 746806.

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

557719201636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6145619236 + 551573582400 = 78394^2 + 742680^2 .

It is a super-2 number, since 2×557719201636² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557719201639) 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, 270342741 + ... + 270344803.

Almost surely, 2^557719201636 is an apocalyptic number.

557719201636 is the 746806-th square number.

It is an amenable number.

557719201636 is a deficient number, since it is larger than the sum of its proper divisors (424187466197).

557719201636 is an frugal number, since it uses more digits than its factorization.

557719201636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 52.

The spelling of 557719201636 in words is "five hundred fifty-seven billion, seven hundred nineteen million, two hundred one thousand, six hundred thirty-six".