44971405381369 has 4 divisors (see below), whose sum is σ = 45020987968144. Its totient is φ = 44921822794596.

The previous prime is 44971405381337. The next prime is 44971405381379. The reversal of 44971405381369 is 96318350417944.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44971405381369 - 2⁵ = 44971405381337 is a prime.

It is a super-2 number, since 2×44971405381369² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44971405381369.

It is not an unprimeable number, because it can be changed into a prime (44971405381379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24791292027 + ... + 24791293840.

It is an arithmetic number, because the mean of its divisors is an integer number (11255246992036).

Almost surely, 2^{44971405381369} is an apocalyptic number.

It is an amenable number.

44971405381369 is a deficient number, since it is larger than the sum of its proper divisors (49582586775).

44971405381369 is an equidigital number, since it uses as much as digits as its factorization.

44971405381369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49582586774.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 44971405381369 in words is "forty-four trillion, nine hundred seventy-one billion, four hundred five million, three hundred eighty-one thousand, three hundred sixty-nine".