64905382202 has 4 divisors (see below), whose sum is σ = 97358073306. Its totient is φ = 32452691100.

The previous prime is 64905382187. The next prime is 64905382207. The reversal of 64905382202 is 20228350946.

64905382202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20228350946 = 2 ⋅10114175473.

It can be written as a sum of positive squares in only one way, i.e., 35736499681 + 29168882521 = 189041^2 + 170789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64905382202.

It is not an unprimeable number, because it can be changed into a prime (64905382207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16226345549 + ... + 16226345552.

Almost surely, 2^64905382202 is an apocalyptic number.

64905382202 is a deficient number, since it is larger than the sum of its proper divisors (32452691104).

64905382202 is a wasteful number, since it uses less digits than its factorization.

64905382202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32452691103.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 64905382202 in words is "sixty-four billion, nine hundred five million, three hundred eighty-two thousand, two hundred two".