57630243969 has 9 divisors (see below), whose sum is σ = 83244726019. Its totient is φ = 38419682520.

The previous prime is 57630243943. The next prime is 57630243971. The reversal of 57630243969 is 96934203675.

The square root of 57630243969 is 240063.

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

57630243969 is a `hidden beast` number, since 576 + 3 + 0 + 2 + 4 + 3 + 9 + 69 = 666.

57630243969 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., 1204992369 + 56425251600 = 34713^2 + 237540^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 57630243969 - 2¹³ = 57630235777 is a prime.

It is a super-2 number, since 2×57630243969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57630243469) 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, 680179 + ... + 760199.

Almost surely, 2^57630243969 is an apocalyptic number.

57630243969 is the 240063-rd square number.

57630243969 is the 120032-nd centered octagonal number.

It is an amenable number.

57630243969 is a deficient number, since it is larger than the sum of its proper divisors (25614482050).

57630243969 is an frugal number, since it uses more digits than its factorization.

57630243969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160048 (or 80024 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 57630243969 in words is "fifty-seven billion, six hundred thirty million, two hundred forty-three thousand, nine hundred sixty-nine".