45777844919 has 8 divisors (see below), whose sum is σ = 49385201040. Its totient is φ = 42272104576.

The previous prime is 45777844897. The next prime is 45777844951. The reversal of 45777844919 is 91944877754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45777844919 - 2⁸ = 45777844663 is a prime.

It is a super-2 number, since 2×45777844919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45777844979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25403009 + ... + 25404810.

It is an arithmetic number, because the mean of its divisors is an integer number (6173150130).

Almost surely, 2^45777844919 is an apocalyptic number.

45777844919 is a deficient number, since it is larger than the sum of its proper divisors (3607356121).

45777844919 is a wasteful number, since it uses less digits than its factorization.

45777844919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50807889.

The product of its digits is 71124480, while the sum is 65.

The spelling of 45777844919 in words is "forty-five billion, seven hundred seventy-seven million, eight hundred forty-four thousand, nine hundred nineteen".