63053502421 has 32 divisors (see below), whose sum is σ = 81156837888. Its totient is φ = 47614279680.

The previous prime is 63053502409. The next prime is 63053502433. The reversal of 63053502421 is 12420535036.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63053502409) and next prime (63053502433).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63053502421 is a prime.

It is a super-2 number, since 2×63053502421² (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 (63053502451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923541 + ... + 989461.

It is an arithmetic number, because the mean of its divisors is an integer number (2536151184).

Almost surely, 2^63053502421 is an apocalyptic number.

It is an amenable number.

63053502421 is a deficient number, since it is larger than the sum of its proper divisors (18103335467).

63053502421 is a wasteful number, since it uses less digits than its factorization.

63053502421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66421.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 63053502421 in words is "sixty-three billion, fifty-three million, five hundred two thousand, four hundred twenty-one".