10998938458397 has 2 divisors, whose sum is σ = 10998938458398. Its totient is φ = 10998938458396.

The previous prime is 10998938458373. The next prime is 10998938458421. The reversal of 10998938458397 is 79385483989901.

It is a balanced prime because it is at equal distance from previous prime (10998938458373) and next prime (10998938458421).

It can be written as a sum of positive squares in only one way, i.e., 9614129643556 + 1384808814841 = 3100666^2 + 1176779^2 .

It is a cyclic number.

It is not a de Polignac number, because 10998938458397 - 2²⁸ = 10998670022941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10998938458367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499469229198 + 5499469229199.

It is an arithmetic number, because the mean of its divisors is an integer number (5499469229199).

Almost surely, 2^{10998938458397} is an apocalyptic number.

It is an amenable number.

10998938458397 is a deficient number, since it is larger than the sum of its proper divisors (1).

10998938458397 is an equidigital number, since it uses as much as digits as its factorization.

10998938458397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4232632320, while the sum is 83.

The spelling of 10998938458397 in words is "ten trillion, nine hundred ninety-eight billion, nine hundred thirty-eight million, four hundred fifty-eight thousand, three hundred ninety-seven".