64299370194 has 12 divisors (see below), whose sum is σ = 139315302126. Its totient is φ = 21433123392.

The previous prime is 64299370189. The next prime is 64299370301. The reversal of 64299370194 is 49107399246.

64299370194 is a `hidden beast` number, since 64 + 29 + 9 + 370 + 194 = 666.

64299370194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 60169637025 + 4129733169 = 245295^2 + 64263^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64299370194.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1786093599 + ... + 1786093634.

Almost surely, 2^64299370194 is an apocalyptic number.

64299370194 is an abundant number, since it is smaller than the sum of its proper divisors (75015931932).

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

64299370194 is a wasteful number, since it uses less digits than its factorization.

64299370194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572187241 (or 3572187238 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 64299370194 in words is "sixty-four billion, two hundred ninety-nine million, three hundred seventy thousand, one hundred ninety-four".