5180902549 has 2 divisors, whose sum is σ = 5180902550. Its totient is φ = 5180902548.

The previous prime is 5180902511. The next prime is 5180902591. The reversal of 5180902549 is 9452090815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3600840049 + 1580062500 = 60007^2 + 39750^2 .

It is a cyclic number.

It is not a de Polignac number, because 5180902549 - 2⁹ = 5180902037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5180902849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590451274 + 2590451275.

It is an arithmetic number, because the mean of its divisors is an integer number (2590451275).

Almost surely, 2^5180902549 is an apocalyptic number.

It is an amenable number.

5180902549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5180902549 is an equidigital number, since it uses as much as digits as its factorization.

5180902549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 5180902549 is about 71978.4867095718. The cubic root of 5180902549 is about 1730.3547168219.

The spelling of 5180902549 in words is "five billion, one hundred eighty million, nine hundred two thousand, five hundred forty-nine".