63643014253 has 32 divisors (see below), whose sum is σ = 79198689024. Its totient is φ = 49797199872.

The previous prime is 63643014247. The next prime is 63643014299. The reversal of 63643014253 is 35241034636.

It is not a de Polignac number, because 63643014253 - 2¹³ = 63643006061 is a prime.

It is a super-2 number, since 2×63643014253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63643014553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17890551 + ... + 17894107.

It is an arithmetic number, because the mean of its divisors is an integer number (2474959032).

Almost surely, 2^63643014253 is an apocalyptic number.

It is an amenable number.

63643014253 is a deficient number, since it is larger than the sum of its proper divisors (15555674771).

63643014253 is a wasteful number, since it uses less digits than its factorization.

63643014253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 63643014253 its reverse (35241034636), we get a palindrome (98884048889).

The spelling of 63643014253 in words is "sixty-three billion, six hundred forty-three million, fourteen thousand, two hundred fifty-three".