44067505508461 has 2 divisors, whose sum is σ = 44067505508462. Its totient is φ = 44067505508460.

The previous prime is 44067505508447. The next prime is 44067505508573. The reversal of 44067505508461 is 16480550576044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30618460226025 + 13449045282436 = 5533395^2 + 3667294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44067505508461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44067505508431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22033752754230 + 22033752754231.

It is an arithmetic number, because the mean of its divisors is an integer number (22033752754231).

Almost surely, 2^{44067505508461} is an apocalyptic number.

It is an amenable number.

44067505508461 is a deficient number, since it is larger than the sum of its proper divisors (1).

44067505508461 is an equidigital number, since it uses as much as digits as its factorization.

44067505508461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128000, while the sum is 55.

The spelling of 44067505508461 in words is "forty-four trillion, sixty-seven billion, five hundred five million, five hundred eight thousand, four hundred sixty-one".