13961498772239 has 2 divisors, whose sum is σ = 13961498772240. Its totient is φ = 13961498772238.

The previous prime is 13961498772173. The next prime is 13961498772251. The reversal of 13961498772239 is 93227789416931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13961498772239 is a prime.

It is a super-2 number, since 2×13961498772239² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13961498772289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6980749386119 + 6980749386120.

It is an arithmetic number, because the mean of its divisors is an integer number (6980749386120).

Almost surely, 2^{13961498772239} is an apocalyptic number.

13961498772239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13961498772239 is an equidigital number, since it uses as much as digits as its factorization.

13961498772239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246903552, while the sum is 71.

The spelling of 13961498772239 in words is "thirteen trillion, nine hundred sixty-one billion, four hundred ninety-eight million, seven hundred seventy-two thousand, two hundred thirty-nine".