13880780293 has 2 divisors, whose sum is σ = 13880780294. Its totient is φ = 13880780292.

The previous prime is 13880780227. The next prime is 13880780339. The reversal of 13880780293 is 39208708831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10757423524 + 3123356769 = 103718^2 + 55887^2 .

It is a cyclic number.

It is not a de Polignac number, because 13880780293 - 2²¹ = 13878683141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13880760293) 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, 6940390146 + 6940390147.

It is an arithmetic number, because the mean of its divisors is an integer number (6940390147).

Almost surely, 2^13880780293 is an apocalyptic number.

It is an amenable number.

13880780293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13880780293 is an equidigital number, since it uses as much as digits as its factorization.

13880780293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 13880780293 in words is "thirteen billion, eight hundred eighty million, seven hundred eighty thousand, two hundred ninety-three".