63430828401 has 4 divisors (see below), whose sum is σ = 84574437872. Its totient is φ = 42287218932.

The previous prime is 63430828397. The next prime is 63430828403. The reversal of 63430828401 is 10482803436.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63430828401 - 2² = 63430828397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63430828401.

It is not an unprimeable number, because it can be changed into a prime (63430828403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10571804731 + ... + 10571804736.

It is an arithmetic number, because the mean of its divisors is an integer number (21143609468).

Almost surely, 2^63430828401 is an apocalyptic number.

It is an amenable number.

63430828401 is a deficient number, since it is larger than the sum of its proper divisors (21143609471).

63430828401 is a wasteful number, since it uses less digits than its factorization.

63430828401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21143609470.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 63430828401 in words is "sixty-three billion, four hundred thirty million, eight hundred twenty-eight thousand, four hundred one".