45404320253 has 2 divisors, whose sum is σ = 45404320254. Its totient is φ = 45404320252.

The previous prime is 45404320201. The next prime is 45404320277. The reversal of 45404320253 is 35202340454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42420757369 + 2983562884 = 205963^2 + 54622^2 .

It is a cyclic number.

It is not a de Polignac number, because 45404320253 - 2²⁶ = 45337211389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45404320153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22702160126 + 22702160127.

It is an arithmetic number, because the mean of its divisors is an integer number (22702160127).

Almost surely, 2^45404320253 is an apocalyptic number.

It is an amenable number.

45404320253 is a deficient number, since it is larger than the sum of its proper divisors (1).

45404320253 is an equidigital number, since it uses as much as digits as its factorization.

45404320253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 45404320253 in words is "forty-five billion, four hundred four million, three hundred twenty thousand, two hundred fifty-three".