44649335332561 has 4 divisors (see below), whose sum is σ = 44696986705252. Its totient is φ = 44601683959872.

The previous prime is 44649335332523. The next prime is 44649335332597. The reversal of 44649335332561 is 16523353394644.

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 6590849580225 + 38058485752336 = 2567265^2 + 6169156^2 .

It is a cyclic number.

It is not a de Polignac number, because 44649335332561 - 2²³ = 44649326943953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44649335332496 and 44649335332505.

It is not an unprimeable number, because it can be changed into a prime (44649335339561) 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, 23825684940 + ... + 23825686813.

It is an arithmetic number, because the mean of its divisors is an integer number (11174246676313).

Almost surely, 2^{44649335332561} is an apocalyptic number.

It is an amenable number.

44649335332561 is a deficient number, since it is larger than the sum of its proper divisors (47651372691).

44649335332561 is an equidigital number, since it uses as much as digits as its factorization.

44649335332561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47651372690.

The product of its digits is 83980800, while the sum is 58.

The spelling of 44649335332561 in words is "forty-four trillion, six hundred forty-nine billion, three hundred thirty-five million, three hundred thirty-two thousand, five hundred sixty-one".