45202813549 has 2 divisors, whose sum is σ = 45202813550. Its totient is φ = 45202813548.

The previous prime is 45202813547. The next prime is 45202813559. The reversal of 45202813549 is 94531820254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36207239524 + 8995574025 = 190282^2 + 94845^2 .

It is a cyclic number.

It is not a de Polignac number, because 45202813549 - 2¹ = 45202813547 is a prime.

Together with 45202813547, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45202813543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22601406774 + 22601406775.

It is an arithmetic number, because the mean of its divisors is an integer number (22601406775).

Almost surely, 2^45202813549 is an apocalyptic number.

It is an amenable number.

45202813549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45202813549 is an equidigital number, since it uses as much as digits as its factorization.

45202813549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 45202813549 in words is "forty-five billion, two hundred two million, eight hundred thirteen thousand, five hundred forty-nine".