45319776449 has 16 divisors (see below), whose sum is σ = 47879645184. Its totient is φ = 42809461200.

The previous prime is 45319776443. The next prime is 45319776479. The reversal of 45319776449 is 94467791354.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45319776449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45319776443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8761634 + ... + 8766804.

It is an arithmetic number, because the mean of its divisors is an integer number (2992477824).

Almost surely, 2^45319776449 is an apocalyptic number.

It is an amenable number.

45319776449 is a deficient number, since it is larger than the sum of its proper divisors (2559868735).

45319776449 is a wasteful number, since it uses less digits than its factorization.

45319776449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868.

The product of its digits is 22861440, while the sum is 59.

The spelling of 45319776449 in words is "forty-five billion, three hundred nineteen million, seven hundred seventy-six thousand, four hundred forty-nine".