45661907379 has 32 divisors (see below), whose sum is σ = 67047321600. Its totient is φ = 27412624800.

The previous prime is 45661907351. The next prime is 45661907407. The reversal of 45661907379 is 97370916654.

It is a happy number.

45661907379 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 (45661907351) and next prime (45661907407).

It is not a de Polignac number, because 45661907379 - 2⁷ = 45661907251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45661907309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1475394 + ... + 1506024.

It is an arithmetic number, because the mean of its divisors is an integer number (2095228800).

Almost surely, 2^45661907379 is an apocalyptic number.

45661907379 is a deficient number, since it is larger than the sum of its proper divisors (21385414221).

45661907379 is a wasteful number, since it uses less digits than its factorization.

45661907379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31071.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 45661907379 in words is "forty-five billion, six hundred sixty-one million, nine hundred seven thousand, three hundred seventy-nine".