44551142249 has 4 divisors (see below), whose sum is σ = 44600046720. Its totient is φ = 44502237780.

The previous prime is 44551142219. The next prime is 44551142257. The reversal of 44551142249 is 94224115544.

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 44551142249 - 2¹² = 44551138153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44551142219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24450869 + ... + 24452690.

It is an arithmetic number, because the mean of its divisors is an integer number (11150011680).

Almost surely, 2^44551142249 is an apocalyptic number.

It is an amenable number.

44551142249 is a deficient number, since it is larger than the sum of its proper divisors (48904471).

44551142249 is an equidigital number, since it uses as much as digits as its factorization.

44551142249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48904470.

The product of its digits is 230400, while the sum is 41.

The spelling of 44551142249 in words is "forty-four billion, five hundred fifty-one million, one hundred forty-two thousand, two hundred forty-nine".