45281690816 has 28 divisors (see below), whose sum is σ = 90180279888. Its totient is φ = 22559100672.

The previous prime is 45281690813. The next prime is 45281690819. The reversal of 45281690816 is 61809618254.

45281690816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45281690813) and next prime (45281690819).

It is not an unprimeable number, because it can be changed into a prime (45281690813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259396 + ... + 1294851.

Almost surely, 2^45281690816 is an apocalyptic number.

It is an amenable number.

45281690816 is a deficient number, since it is larger than the sum of its proper divisors (44898589072).

45281690816 is a wasteful number, since it uses less digits than its factorization.

45281690816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554536 (or 2554526 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 45281690816 in words is "forty-five billion, two hundred eighty-one million, six hundred ninety thousand, eight hundred sixteen".