45644894068 has 6 divisors (see below), whose sum is σ = 79878564626. Its totient is φ = 22822447032.

The previous prime is 45644894041. The next prime is 45644894069. The reversal of 45644894068 is 86049844654.

45644894068 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., 40311805284 + 5333088784 = 200778^2 + 73028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45644894069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705611755 + ... + 5705611762.

Almost surely, 2^45644894068 is an apocalyptic number.

It is an amenable number.

45644894068 is a deficient number, since it is larger than the sum of its proper divisors (34233670558).

45644894068 is a wasteful number, since it uses less digits than its factorization.

45644894068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411223521 (or 11411223519 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 58.

The spelling of 45644894068 in words is "forty-five billion, six hundred forty-four million, eight hundred ninety-four thousand, sixty-eight".