45538649878299 has 16 divisors (see below), whose sum is σ = 61787082268800. Its totient is φ = 29825321376896.

The previous prime is 45538649878291. The next prime is 45538649878339. The reversal of 45538649878299 is 99287894683554.

It is a cyclic number.

It is not a de Polignac number, because 45538649878299 - 2³ = 45538649878291 is a prime.

It is a super-2 number, since 2×45538649878299² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45538649878291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82558509 + ... + 83108270.

It is an arithmetic number, because the mean of its divisors is an integer number (3861692641800).

Almost surely, 2^{45538649878299} is an apocalyptic number.

45538649878299 is a deficient number, since it is larger than the sum of its proper divisors (16248432390501).

45538649878299 is a wasteful number, since it uses less digits than its factorization.

45538649878299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165668394.

The product of its digits is 37623398400, while the sum is 87.

The spelling of 45538649878299 in words is "forty-five trillion, five hundred thirty-eight billion, six hundred forty-nine million, eight hundred seventy-eight thousand, two hundred ninety-nine".