44661324551 has 4 divisors (see below), whose sum is σ = 47011920600. Its totient is φ = 42310728504.

The previous prime is 44661324523. The next prime is 44661324637. The reversal of 44661324551 is 15542316644.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44661324551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44661324499 and 44661324508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44661327551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175297996 + ... + 1175298033.

It is an arithmetic number, because the mean of its divisors is an integer number (11752980150).

Almost surely, 2^44661324551 is an apocalyptic number.

44661324551 is a deficient number, since it is larger than the sum of its proper divisors (2350596049).

44661324551 is a wasteful number, since it uses less digits than its factorization.

44661324551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350596048.

The product of its digits is 345600, while the sum is 41.

The spelling of 44661324551 in words is "forty-four billion, six hundred sixty-one million, three hundred twenty-four thousand, five hundred fifty-one".