63057969 has 24 divisors (see below), whose sum is σ = 99950760. Its totient is φ = 38068992.

The previous prime is 63057931. The next prime is 63057971. The reversal of 63057969 is 96975036.

63057969 is a `hidden beast` number, since 630 + 5 + 7 + 9 + 6 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18662400 + 44395569 = 4320^2 + 6663^2 .

It is not a de Polignac number, because 63057969 - 2⁹ = 63057457 is a prime.

It is a super-2 number, since 2×63057969² = 7952614908809922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63057569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117 + ... + 11285.

It is an arithmetic number, because the mean of its divisors is an integer number (4164615).

Almost surely, 2^63057969 is an apocalyptic number.

It is an amenable number.

63057969 is a deficient number, since it is larger than the sum of its proper divisors (36892791).

63057969 is a wasteful number, since it uses less digits than its factorization.

63057969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241 (or 10238 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 63057969 is about 7940.9047973137. The cubic root of 63057969 is about 398.0277267453.

The spelling of 63057969 in words is "sixty-three million, fifty-seven thousand, nine hundred sixty-nine".