45319281433 has 4 divisors (see below), whose sum is σ = 45321660160. Its totient is φ = 45316902708.

The previous prime is 45319281419. The next prime is 45319281463. The reversal of 45319281433 is 33418291354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45319281433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45319281433.

It is not an unprimeable number, because it can be changed into a prime (45319281463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160553 + ... + 1198966.

It is an arithmetic number, because the mean of its divisors is an integer number (11330415040).

Almost surely, 2^45319281433 is an apocalyptic number.

It is an amenable number.

45319281433 is a deficient number, since it is larger than the sum of its proper divisors (2378727).

45319281433 is a wasteful number, since it uses less digits than its factorization.

45319281433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378726.

The product of its digits is 311040, while the sum is 43.

The spelling of 45319281433 in words is "forty-five billion, three hundred nineteen million, two hundred eighty-one thousand, four hundred thirty-three".