45319452893 has 12 divisors (see below), whose sum is σ = 53645787804. Its totient is φ = 38030308800.

The previous prime is 45319452853. The next prime is 45319452929. The reversal of 45319452893 is 39825491354.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20392411204 + 24927041689 = 142802^2 + 157883^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45319452893 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 (45319452803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14403848 + ... + 14406993.

It is an arithmetic number, because the mean of its divisors is an integer number (4470482317).

Almost surely, 2^45319452893 is an apocalyptic number.

It is an amenable number.

45319452893 is a deficient number, since it is larger than the sum of its proper divisors (8326334911).

45319452893 is a wasteful number, since it uses less digits than its factorization.

45319452893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28810876 (or 28810865 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 53.

The spelling of 45319452893 in words is "forty-five billion, three hundred nineteen million, four hundred fifty-two thousand, eight hundred ninety-three".