109516492819 has 2 divisors, whose sum is σ = 109516492820. Its totient is φ = 109516492818.

The previous prime is 109516492781. The next prime is 109516492843. The reversal of 109516492819 is 918294615901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109516492819 is a prime.

It is a super-2 number, since 2×109516492819² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109516492819.

It is not a weakly prime, because it can be changed into another prime (109516492889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54758246409 + 54758246410.

It is an arithmetic number, because the mean of its divisors is an integer number (54758246410).

Almost surely, 2^109516492819 is an apocalyptic number.

109516492819 is a deficient number, since it is larger than the sum of its proper divisors (1).

109516492819 is an equidigital number, since it uses as much as digits as its factorization.

109516492819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 55.

The spelling of 109516492819 in words is "one hundred nine billion, five hundred sixteen million, four hundred ninety-two thousand, eight hundred nineteen".