44367701010781 has 2 divisors, whose sum is σ = 44367701010782. Its totient is φ = 44367701010780.

The previous prime is 44367701010739. The next prime is 44367701010907. The reversal of 44367701010781 is 18701010776344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27576834363225 + 16790866647556 = 5251365^2 + 4097666^2 .

It is a cyclic number.

It is not a de Polignac number, because 44367701010781 - 2⁷ = 44367701010653 is a prime.

It is a super-2 number, since 2×44367701010781² (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 (44367701019781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22183850505390 + 22183850505391.

It is an arithmetic number, because the mean of its divisors is an integer number (22183850505391).

Almost surely, 2^{44367701010781} is an apocalyptic number.

It is an amenable number.

44367701010781 is a deficient number, since it is larger than the sum of its proper divisors (1).

44367701010781 is an equidigital number, since it uses as much as digits as its factorization.

44367701010781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 44367701010781 in words is "forty-four trillion, three hundred sixty-seven billion, seven hundred one million, ten thousand, seven hundred eighty-one".