44401887347429 has 2 divisors, whose sum is σ = 44401887347430. Its totient is φ = 44401887347428.

The previous prime is 44401887347417. The next prime is 44401887347437. The reversal of 44401887347429 is 92474378810444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42708185522500 + 1693701824929 = 6535150^2 + 1301423^2 .

It is a cyclic number.

It is not a de Polignac number, because 44401887347429 - 2⁴ = 44401887347413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44401887347459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22200943673714 + 22200943673715.

It is an arithmetic number, because the mean of its divisors is an integer number (22200943673715).

Almost surely, 2^{44401887347429} is an apocalyptic number.

It is an amenable number.

44401887347429 is a deficient number, since it is larger than the sum of its proper divisors (1).

44401887347429 is an equidigital number, since it uses as much as digits as its factorization.

44401887347429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 173408256, while the sum is 65.

The spelling of 44401887347429 in words is "forty-four trillion, four hundred one billion, eight hundred eighty-seven million, three hundred forty-seven thousand, four hundred twenty-nine".