63253515506 has 16 divisors (see below), whose sum is σ = 96108816384. Its totient is φ = 31218946944.

The previous prime is 63253515443. The next prime is 63253515529. The reversal of 63253515506 is 60551535236.

63253515506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×63253515506³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351350 + ... + 499953.

It is an arithmetic number, because the mean of its divisors is an integer number (6006801024).

Almost surely, 2^63253515506 is an apocalyptic number.

63253515506 is a deficient number, since it is larger than the sum of its proper divisors (32855300878).

63253515506 is a wasteful number, since it uses less digits than its factorization.

63253515506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851785.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 63253515506 in words is "sixty-three billion, two hundred fifty-three million, five hundred fifteen thousand, five hundred six".