63400251452 has 12 divisors (see below), whose sum is σ = 117476936640. Its totient is φ = 29835412416.

The previous prime is 63400251451. The next prime is 63400251511. The reversal of 63400251452 is 25415200436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63400251451) 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, 466178252 + ... + 466178387.

It is an arithmetic number, because the mean of its divisors is an integer number (9789744720).

Almost surely, 2^63400251452 is an apocalyptic number.

It is an amenable number.

63400251452 is a deficient number, since it is larger than the sum of its proper divisors (54076685188).

63400251452 is a wasteful number, since it uses less digits than its factorization.

63400251452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932356660 (or 932356658 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 63400251452 its reverse (25415200436), we get a palindrome (88815451888).

The spelling of 63400251452 in words is "sixty-three billion, four hundred million, two hundred fifty-one thousand, four hundred fifty-two".