44928560661 has 4 divisors (see below), whose sum is σ = 59904747552. Its totient is φ = 29952373772.

The previous prime is 44928560513. The next prime is 44928560671. The reversal of 44928560661 is 16606582944.

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 44928560661 - 2¹³ = 44928552469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44928560671) 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, 7488093441 + ... + 7488093446.

It is an arithmetic number, because the mean of its divisors is an integer number (14976186888).

Almost surely, 2^44928560661 is an apocalyptic number.

It is an amenable number.

44928560661 is a deficient number, since it is larger than the sum of its proper divisors (14976186891).

44928560661 is a wasteful number, since it uses less digits than its factorization.

44928560661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14976186890.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 44928560661 in words is "forty-four billion, nine hundred twenty-eight million, five hundred sixty thousand, six hundred sixty-one".