63057745007531 has 4 divisors (see below), whose sum is σ = 64247513781312. Its totient is φ = 61867976233752.

The previous prime is 63057745007519. The next prime is 63057745007539. The reversal of 63057745007531 is 13570054775036.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63057745007531 - 2²⁶ = 63057677898667 is a prime.

It is a super-2 number, since 2×63057745007531² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 1189768773727 = 63057745007531 / (6 + 3 + 0 + 5 + 7 + 7 + 4 + 5 + 0 + 0 + 7 + 5 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63057745007539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594884386811 + ... + 594884386916.

It is an arithmetic number, because the mean of its divisors is an integer number (16061878445328).

Almost surely, 2^{63057745007531} is an apocalyptic number.

63057745007531 is a deficient number, since it is larger than the sum of its proper divisors (1189768773781).

63057745007531 is a wasteful number, since it uses less digits than its factorization.

63057745007531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189768773780.

The product of its (nonzero) digits is 9261000, while the sum is 53.

The spelling of 63057745007531 in words is "sixty-three trillion, fifty-seven billion, seven hundred forty-five million, seven thousand, five hundred thirty-one".