64838137000 has 128 divisors (see below), whose sum is σ = 186734096640. Its totient is φ = 20520172800.

The previous prime is 64838136917. The next prime is 64838137043. The reversal of 64838137000 is 73183846.

64838137000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 265254 + ... + 447253.

It is an arithmetic number, because the mean of its divisors is an integer number (1458860130).

Almost surely, 2^64838137000 is an apocalyptic number.

It is an amenable number.

64838137000 is an abundant number, since it is smaller than the sum of its proper divisors (121895959640).

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

64838137000 is a wasteful number, since it uses less digits than its factorization.

64838137000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712548 (or 712534 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 64838137000 in words is "sixty-four billion, eight hundred thirty-eight million, one hundred thirty-seven thousand".