63764981530 has 16 divisors (see below), whose sum is σ = 114784750080. Its totient is φ = 25504262992.

The previous prime is 63764981519. The next prime is 63764981531. The reversal of 63764981530 is 3518946736.

It is a happy number.

63764981530 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-2 number, since 2×63764981530² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63764981531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55690 + ... + 361429.

It is an arithmetic number, because the mean of its divisors is an integer number (7174046880).

Almost surely, 2^63764981530 is an apocalyptic number.

63764981530 is a deficient number, since it is larger than the sum of its proper divisors (51019768550).

63764981530 is a wasteful number, since it uses less digits than its factorization.

63764981530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432413.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 63764981530 in words is "sixty-three billion, seven hundred sixty-four million, nine hundred eighty-one thousand, five hundred thirty".