45186882019 has 4 divisors (see below), whose sum is σ = 45187307296. Its totient is φ = 45186456744.

The previous prime is 45186881933. The next prime is 45186882023. The reversal of 45186882019 is 91028868154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45186882019 is a prime.

It is a super-2 number, since 2×45186882019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45186882319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98377 + ... + 316309.

It is an arithmetic number, because the mean of its divisors is an integer number (11296826824).

Almost surely, 2^45186882019 is an apocalyptic number.

45186882019 is a deficient number, since it is larger than the sum of its proper divisors (425277).

45186882019 is a wasteful number, since it uses less digits than its factorization.

45186882019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425276.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 45186882019 in words is "forty-five billion, one hundred eighty-six million, eight hundred eighty-two thousand, nineteen".