44901915449 has 2 divisors, whose sum is σ = 44901915450. Its totient is φ = 44901915448.

The previous prime is 44901915437. The next prime is 44901915467. The reversal of 44901915449 is 94451910944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24554890000 + 20347025449 = 156700^2 + 142643^2 .

It is a cyclic number.

It is not a de Polignac number, because 44901915449 - 2²⁰ = 44900866873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44901915397 and 44901915406.

It is not a weakly prime, because it can be changed into another prime (4901915449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22450957724 + 22450957725.

It is an arithmetic number, because the mean of its divisors is an integer number (22450957725).

Almost surely, 2^44901915449 is an apocalyptic number.

It is an amenable number.

44901915449 is a deficient number, since it is larger than the sum of its proper divisors (1).

44901915449 is an equidigital number, since it uses as much as digits as its factorization.

44901915449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 44901915449 in words is "forty-four billion, nine hundred one million, nine hundred fifteen thousand, four hundred forty-nine".