44489279391 has 4 divisors (see below), whose sum is σ = 59319039192. Its totient is φ = 29659519592.

The previous prime is 44489279383. The next prime is 44489279413. The reversal of 44489279391 is 19397298444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44489279391 - 2³ = 44489279383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44489279311) 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, 7414879896 + ... + 7414879901.

It is an arithmetic number, because the mean of its divisors is an integer number (14829759798).

Almost surely, 2^44489279391 is an apocalyptic number.

44489279391 is a deficient number, since it is larger than the sum of its proper divisors (14829759801).

44489279391 is a wasteful number, since it uses less digits than its factorization.

44489279391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14829759800.

The product of its digits is 15676416, while the sum is 60.

The spelling of 44489279391 in words is "forty-four billion, four hundred eighty-nine million, two hundred seventy-nine thousand, three hundred ninety-one".