45347874409 has 2 divisors, whose sum is σ = 45347874410. Its totient is φ = 45347874408.

The previous prime is 45347874331. The next prime is 45347874413. The reversal of 45347874409 is 90447874354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34318674009 + 11029200400 = 185253^2 + 105020^2 .

It is a cyclic number.

It is not a de Polignac number, because 45347874409 - 2²³ = 45339485801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45347874409.

It is not a weakly prime, because it can be changed into another prime (45347874709) 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 as a sum of consecutive naturals, namely, 22673937204 + 22673937205.

It is an arithmetic number, because the mean of its divisors is an integer number (22673937205).

Almost surely, 2^45347874409 is an apocalyptic number.

It is an amenable number.

45347874409 is a deficient number, since it is larger than the sum of its proper divisors (1).

45347874409 is an equidigital number, since it uses as much as digits as its factorization.

45347874409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 55.

Subtracting from 45347874409 its sum of digits (55), we obtain a palindrome (45347874354).

The spelling of 45347874409 in words is "forty-five billion, three hundred forty-seven million, eight hundred seventy-four thousand, four hundred nine".