63389137734 has 64 divisors (see below), whose sum is σ = 152188807680. Its totient is φ = 19441568160.

The previous prime is 63389137727. The next prime is 63389137789. The reversal of 63389137734 is 43773198336.

63389137734 is a `hidden beast` number, since 63 + 389 + 137 + 73 + 4 = 666.

63389137734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73149 + ... + 363495.

It is an arithmetic number, because the mean of its divisors is an integer number (2377950120).

Almost surely, 2^63389137734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63389137734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76094403840).

63389137734 is an abundant number, since it is smaller than the sum of its proper divisors (88799669946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63389137734 is a wasteful number, since it uses less digits than its factorization.

63389137734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290682 (or 290676 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 63389137734 in words is "sixty-three billion, three hundred eighty-nine million, one hundred thirty-seven thousand, seven hundred thirty-four".