45140983493 has 4 divisors (see below), whose sum is σ = 45684850848. Its totient is φ = 44597116140.

The previous prime is 45140983469. The next prime is 45140983499. The reversal of 45140983493 is 39438904154.

45140983493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 45140983493 - 2¹⁶ = 45140917957 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 (45140983499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271933553 + ... + 271933718.

It is an arithmetic number, because the mean of its divisors is an integer number (11421212712).

Almost surely, 2^45140983493 is an apocalyptic number.

It is an amenable number.

45140983493 is a deficient number, since it is larger than the sum of its proper divisors (543867355).

45140983493 is an equidigital number, since it uses as much as digits as its factorization.

45140983493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543867354.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 45140983493 in words is "forty-five billion, one hundred forty million, nine hundred eighty-three thousand, four hundred ninety-three".