44509474919 has 32 divisors (see below), whose sum is σ = 59187139200. Its totient is φ = 33144685056.

The previous prime is 44509474901. The next prime is 44509474943. The reversal of 44509474919 is 91947490544.

It is a de Polignac number, because none of the positive numbers 2^k-44509474919 is a prime.

It is a super-2 number, since 2×44509474919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44509474019) 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 31 ways as a sum of consecutive naturals, for example, 217784 + ... + 369389.

It is an arithmetic number, because the mean of its divisors is an integer number (1849598100).

Almost surely, 2^44509474919 is an apocalyptic number.

44509474919 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

44509474919 is a deficient number, since it is larger than the sum of its proper divisors (14677664281).

44509474919 is a wasteful number, since it uses less digits than its factorization.

44509474919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587224 (or 587210 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 44509474919 in words is "forty-four billion, five hundred nine million, four hundred seventy-four thousand, nine hundred nineteen".