44530430686561 has 4 divisors (see below), whose sum is σ = 44530451586324. Its totient is φ = 44530409786800.

The previous prime is 44530430686537. The next prime is 44530430686669. The reversal of 44530430686561 is 16568603403544.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25576728334336 + 18953702352225 = 5057344^2 + 4353585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44530430686561 is a prime.

It is a super-2 number, since 2×44530430686561² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44530430696561) 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, 6837670 + ... + 11653951.

It is an arithmetic number, because the mean of its divisors is an integer number (11132612896581).

Almost surely, 2^{44530430686561} is an apocalyptic number.

It is an amenable number.

44530430686561 is a deficient number, since it is larger than the sum of its proper divisors (20899763).

44530430686561 is a wasteful number, since it uses less digits than its factorization.

44530430686561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20899762.

The product of its (nonzero) digits is 24883200, while the sum is 55.

The spelling of 44530430686561 in words is "forty-four trillion, five hundred thirty billion, four hundred thirty million, six hundred eighty-six thousand, five hundred sixty-one".