2098698431 has 2 divisors, whose sum is σ = 2098698432. Its totient is φ = 2098698430.

The previous prime is 2098698403. The next prime is 2098698449. The reversal of 2098698431 is 1348968902.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2098698431 - 2²² = 2094504127 is a prime.

It is a super-2 number, since 2×2098698431² = 8809070208563723522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2098698431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2098698401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049349215 + 1049349216.

It is an arithmetic number, because the mean of its divisors is an integer number (1049349216).

Almost surely, 2^2098698431 is an apocalyptic number.

2098698431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098698431 is an equidigital number, since it uses as much as digits as its factorization.

2098698431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 2098698431 is about 45811.5534663473. The cubic root of 2098698431 is about 1280.3145448904.

The spelling of 2098698431 in words is "two billion, ninety-eight million, six hundred ninety-eight thousand, four hundred thirty-one".