44561643149 has 8 divisors (see below), whose sum is σ = 45514547328. Its totient is φ = 43608938400.

The previous prime is 44561643143. The next prime is 44561643163. The reversal of 44561643149 is 94134616544.

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 44561643149 - 2²⁴ = 44544865933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44561643143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456089 + ... + 545105.

It is an arithmetic number, because the mean of its divisors is an integer number (5689318416).

Almost surely, 2^44561643149 is an apocalyptic number.

It is an amenable number.

44561643149 is a deficient number, since it is larger than the sum of its proper divisors (952904179).

44561643149 is a wasteful number, since it uses less digits than its factorization.

44561643149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99715.

The product of its digits is 1244160, while the sum is 47.

The spelling of 44561643149 in words is "forty-four billion, five hundred sixty-one million, six hundred forty-three thousand, one hundred forty-nine".