44042621659 has 2 divisors, whose sum is σ = 44042621660. Its totient is φ = 44042621658.

The previous prime is 44042621621. The next prime is 44042621671. The reversal of 44042621659 is 95612624044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44042621659 - 2¹⁷ = 44042490587 is a prime.

It is not a weakly prime, because it can be changed into another prime (44042625659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22021310829 + 22021310830.

It is an arithmetic number, because the mean of its divisors is an integer number (22021310830).

Almost surely, 2^44042621659 is an apocalyptic number.

44042621659 is a deficient number, since it is larger than the sum of its proper divisors (1).

44042621659 is an equidigital number, since it uses as much as digits as its factorization.

44042621659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 44042621659 in words is "forty-four billion, forty-two million, six hundred twenty-one thousand, six hundred fifty-nine".