44945345449413 has 6 divisors (see below), whose sum is σ = 64921054538054. Its totient is φ = 29963563632936.

The previous prime is 44945345449343. The next prime is 44945345449463. The reversal of 44945345449413 is 31494454354944.

44945345449413 is a `hidden beast` number, since 4 + 4 + 9 + 4 + 534 + 5 + 4 + 4 + 94 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44875555962084 + 69789487329 = 6698922^2 + 264177^2 .

It is not a de Polignac number, because 44945345449413 - 2²⁰ = 44945344400837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44945345449463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2496963636070 + ... + 2496963636087.

Almost surely, 2^{44945345449413} is an apocalyptic number.

It is an amenable number.

44945345449413 is a deficient number, since it is larger than the sum of its proper divisors (19975709088641).

44945345449413 is a wasteful number, since it uses less digits than its factorization.

44945345449413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993927272163 (or 4993927272160 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 63.

The spelling of 44945345449413 in words is "forty-four trillion, nine hundred forty-five billion, three hundred forty-five million, four hundred forty-nine thousand, four hundred thirteen".