45538710493 has 4 divisors (see below), whose sum is σ = 45539301340. Its totient is φ = 45538119648.

The previous prime is 45538710473. The next prime is 45538710521. The reversal of 45538710493 is 39401783554.

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 9479359044 + 36059351449 = 97362^2 + 189893^2 .

It is a cyclic number.

It is not a de Polignac number, because 45538710493 - 2⁵ = 45538710461 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 (45538710473) 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, 158730 + ... + 340987.

It is an arithmetic number, because the mean of its divisors is an integer number (11384825335).

Almost surely, 2^45538710493 is an apocalyptic number.

It is an amenable number.

45538710493 is a deficient number, since it is larger than the sum of its proper divisors (590847).

45538710493 is an equidigital number, since it uses as much as digits as its factorization.

45538710493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590846.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 45538710493 in words is "forty-five billion, five hundred thirty-eight million, seven hundred ten thousand, four hundred ninety-three".