44947613449 has 4 divisors (see below), whose sum is σ = 46901857536. Its totient is φ = 42993369364.

The previous prime is 44947613411. The next prime is 44947613453. The reversal of 44947613449 is 94431674944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44947613449 - 2²⁷ = 44813395721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44947613449.

It is not an unprimeable number, because it can be changed into a prime (44947613479) 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, 977122009 + ... + 977122054.

It is an arithmetic number, because the mean of its divisors is an integer number (11725464384).

Almost surely, 2^44947613449 is an apocalyptic number.

It is an amenable number.

44947613449 is a deficient number, since it is larger than the sum of its proper divisors (1954244087).

44947613449 is a wasteful number, since it uses less digits than its factorization.

44947613449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954244086.

The product of its digits is 10450944, while the sum is 55.

The spelling of 44947613449 in words is "forty-four billion, nine hundred forty-seven million, six hundred thirteen thousand, four hundred forty-nine".