64763836746 has 24 divisors (see below), whose sum is σ = 150675049440. Its totient is φ = 18503953272.

The previous prime is 64763836741. The next prime is 64763836759.

It is a happy number.

64763836746 is nontrivially palindromic in base 10.

64763836746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64763836746.

It is not an unprimeable number, because it can be changed into a prime (64763836741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110142286 + ... + 110142873.

It is an arithmetic number, because the mean of its divisors is an integer number (6278127060).

Almost surely, 2^64763836746 is an apocalyptic number.

64763836746 is an abundant number, since it is smaller than the sum of its proper divisors (85911212694).

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

64763836746 is a wasteful number, since it uses less digits than its factorization.

64763836746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220285178 (or 220285171 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 60.

The spelling of 64763836746 in words is "sixty-four billion, seven hundred sixty-three million, eight hundred thirty-six thousand, seven hundred forty-six".