63313189501 has 4 divisors (see below), whose sum is σ = 63313703452. Its totient is φ = 63312675552.

The previous prime is 63313189463. The next prime is 63313189507. The reversal of 63313189501 is 10598131336.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21645765625 + 41667423876 = 147125^2 + 204126^2 .

It is a cyclic number.

It is not a de Polignac number, because 63313189501 - 2²¹ = 63311092349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63313189507) 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, 50215 + ... + 359371.

It is an arithmetic number, because the mean of its divisors is an integer number (15828425863).

Almost surely, 2^63313189501 is an apocalyptic number.

It is an amenable number.

63313189501 is a deficient number, since it is larger than the sum of its proper divisors (513951).

63313189501 is a wasteful number, since it uses less digits than its factorization.

63313189501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513950.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 63313189501 in words is "sixty-three billion, three hundred thirteen million, one hundred eighty-nine thousand, five hundred one".