45431301493 has 4 divisors (see below), whose sum is σ = 45432011340. Its totient is φ = 45430591648.

The previous prime is 45431301463. The next prime is 45431301499. The reversal of 45431301493 is 39410313454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28055580004 + 17375721489 = 167498^2 + 131817^2 .

It is a cyclic number.

It is not a de Polignac number, because 45431301493 - 2³³ = 36841366901 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 (45431301499) 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, 248230 + ... + 390487.

It is an arithmetic number, because the mean of its divisors is an integer number (11358002835).

Almost surely, 2^45431301493 is an apocalyptic number.

It is an amenable number.

45431301493 is a deficient number, since it is larger than the sum of its proper divisors (709847).

45431301493 is an equidigital number, since it uses as much as digits as its factorization.

45431301493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709846.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 45431301493 in words is "forty-five billion, four hundred thirty-one million, three hundred one thousand, four hundred ninety-three".