44981401919 has 2 divisors, whose sum is σ = 44981401920. Its totient is φ = 44981401918.

The previous prime is 44981401879. The next prime is 44981401951. The reversal of 44981401919 is 91910418944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44981401919 - 2²⁴ = 44964624703 is a prime.

It is a super-2 number, since 2×44981401919² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44981431919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22490700959 + 22490700960.

It is an arithmetic number, because the mean of its divisors is an integer number (22490700960).

Almost surely, 2^44981401919 is an apocalyptic number.

44981401919 is a deficient number, since it is larger than the sum of its proper divisors (1).

44981401919 is an equidigital number, since it uses as much as digits as its factorization.

44981401919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 44981401919 in words is "forty-four billion, nine hundred eighty-one million, four hundred one thousand, nine hundred nineteen".