63535037764 has 48 divisors (see below), whose sum is σ = 127761580800. Its totient is φ = 27341690400.

The previous prime is 63535037681. The next prime is 63535037767. The reversal of 63535037764 is 46773053536.

It is a happy number.

It is a super-2 number, since 2×63535037764² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63535037767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295979 + ... + 1344109.

It is an arithmetic number, because the mean of its divisors is an integer number (2661699600).

Almost surely, 2^63535037764 is an apocalyptic number.

It is an amenable number.

63535037764 is an abundant number, since it is smaller than the sum of its proper divisors (64226543036).

63535037764 is a wasteful number, since it uses less digits than its factorization.

63535037764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49744 (or 49742 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 49.

The spelling of 63535037764 in words is "sixty-three billion, five hundred thirty-five million, thirty-seven thousand, seven hundred sixty-four".