44154889709 has 16 divisors (see below), whose sum is σ = 51113634432. Its totient is φ = 37359638208.

The previous prime is 44154889661. The next prime is 44154889721. The reversal of 44154889709 is 90798845144.

It is a cyclic number.

It is not a de Polignac number, because 44154889709 - 2²⁴ = 44138112493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44154889729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673427 + ... + 736079.

It is an arithmetic number, because the mean of its divisors is an integer number (3194602152).

Almost surely, 2^44154889709 is an apocalyptic number.

It is an amenable number.

44154889709 is a deficient number, since it is larger than the sum of its proper divisors (6958744723).

44154889709 is a wasteful number, since it uses less digits than its factorization.

44154889709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63956.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 44154889709 in words is "forty-four billion, one hundred fifty-four million, eight hundred eighty-nine thousand, seven hundred nine".