45510644449 has 2 divisors, whose sum is σ = 45510644450. Its totient is φ = 45510644448.

The previous prime is 45510644447. The next prime is 45510644513. The reversal of 45510644449 is 94444601554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37871884449 + 7638760000 = 194607^2 + 87400^2 .

It is a cyclic number.

It is not a de Polignac number, because 45510644449 - 2¹ = 45510644447 is a prime.

Together with 45510644447, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45510644399 and 45510644408.

It is not a weakly prime, because it can be changed into another prime (45510644447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22755322224 + 22755322225.

It is an arithmetic number, because the mean of its divisors is an integer number (22755322225).

Almost surely, 2^45510644449 is an apocalyptic number.

It is an amenable number.

45510644449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45510644449 is an equidigital number, since it uses as much as digits as its factorization.

45510644449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 45510644449 in words is "forty-five billion, five hundred ten million, six hundred forty-four thousand, four hundred forty-nine".