113968819 has 2 divisors, whose sum is σ = 113968820. Its totient is φ = 113968818.

The previous prime is 113968817. The next prime is 113968837. The reversal of 113968819 is 918869311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113968819 - 2¹ = 113968817 is a prime.

It is a super-2 number, since 2×113968819² = 25977783408509522, which contains 22 as substring.

Together with 113968817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113968817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56984409 + 56984410.

It is an arithmetic number, because the mean of its divisors is an integer number (56984410).

Almost surely, 2^113968819 is an apocalyptic number.

113968819 is a deficient number, since it is larger than the sum of its proper divisors (1).

113968819 is an equidigital number, since it uses as much as digits as its factorization.

113968819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 46.

The square root of 113968819 is about 10675.6179680616. The cubic root of 113968819 is about 484.8365467548.

The spelling of 113968819 in words is "one hundred thirteen million, nine hundred sixty-eight thousand, eight hundred nineteen".