44402848661 has 2 divisors, whose sum is σ = 44402848662. Its totient is φ = 44402848660.

The previous prime is 44402848643. The next prime is 44402848681. The reversal of 44402848661 is 16684820444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43647148561 + 755700100 = 208919^2 + 27490^2 .

It is a cyclic number.

It is not a de Polignac number, because 44402848661 - 2²⁶ = 44335739797 is a prime.

It is a super-2 number, since 2×44402848661² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44402848621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201424330 + 22201424331.

It is an arithmetic number, because the mean of its divisors is an integer number (22201424331).

Almost surely, 2^44402848661 is an apocalyptic number.

It is an amenable number.

44402848661 is a deficient number, since it is larger than the sum of its proper divisors (1).

44402848661 is an equidigital number, since it uses as much as digits as its factorization.

44402848661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1179648, while the sum is 47.

The spelling of 44402848661 in words is "forty-four billion, four hundred two million, eight hundred forty-eight thousand, six hundred sixty-one".