44040421711493 has 2 divisors, whose sum is σ = 44040421711494. Its totient is φ = 44040421711492.

The previous prime is 44040421711277. The next prime is 44040421711541. The reversal of 44040421711493 is 39411712404044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42734160156769 + 1306261554724 = 6537137^2 + 1142918^2 .

It is a cyclic number.

It is not a de Polignac number, because 44040421711493 - 2¹⁰ = 44040421710469 is a prime.

It is a super-2 number, since 2×44040421711493² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44040421791493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020210855746 + 22020210855747.

It is an arithmetic number, because the mean of its divisors is an integer number (22020210855747).

Almost surely, 2^{44040421711493} is an apocalyptic number.

It is an amenable number.

44040421711493 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040421711493 is an equidigital number, since it uses as much as digits as its factorization.

44040421711493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 44040421711493 in words is "forty-four trillion, forty billion, four hundred twenty-one million, seven hundred eleven thousand, four hundred ninety-three".