13798248491 has 2 divisors, whose sum is σ = 13798248492. Its totient is φ = 13798248490.

The previous prime is 13798248487. The next prime is 13798248511. The reversal of 13798248491 is 19484289731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13798248491 - 2² = 13798248487 is a prime.

It is a super-2 number, since 2×13798248491² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13798248091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6899124245 + 6899124246.

It is an arithmetic number, because the mean of its divisors is an integer number (6899124246).

Almost surely, 2^13798248491 is an apocalyptic number.

13798248491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13798248491 is an equidigital number, since it uses as much as digits as its factorization.

13798248491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 56.

The spelling of 13798248491 in words is "thirteen billion, seven hundred ninety-eight million, two hundred forty-eight thousand, four hundred ninety-one".