63397829750 has 32 divisors (see below), whose sum is σ = 118873377792. Its totient is φ = 25317969600.

The previous prime is 63397829749. The next prime is 63397829767. The reversal of 63397829750 is 5792879336.

It is a self number, because there is not a number n which added to its sum of digits gives 63397829750.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51254 + ... + 359753.

It is an arithmetic number, because the mean of its divisors is an integer number (3714793056).

Almost surely, 2^63397829750 is an apocalyptic number.

63397829750 is a deficient number, since it is larger than the sum of its proper divisors (55475548042).

63397829750 is a wasteful number, since it uses less digits than its factorization.

63397829750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411641 (or 411631 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 63397829750 in words is "sixty-three billion, three hundred ninety-seven million, eight hundred twenty-nine thousand, seven hundred fifty".