63251356994 has 8 divisors (see below), whose sum is σ = 108430897728. Its totient is φ = 27107724420.

The previous prime is 63251356981. The next prime is 63251356997. The reversal of 63251356994 is 49965315236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63251356997) 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, 2258977022 + ... + 2258977049.

It is an arithmetic number, because the mean of its divisors is an integer number (13553862216).

Almost surely, 2^63251356994 is an apocalyptic number.

63251356994 is a deficient number, since it is larger than the sum of its proper divisors (45179540734).

63251356994 is a wasteful number, since it uses less digits than its factorization.

63251356994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517954080.

The product of its digits is 5248800, while the sum is 53.

The spelling of 63251356994 in words is "sixty-three billion, two hundred fifty-one million, three hundred fifty-six thousand, nine hundred ninety-four".