2146619863 has 2 divisors, whose sum is σ = 2146619864. Its totient is φ = 2146619862.

The previous prime is 2146619851. The next prime is 2146619887. The reversal of 2146619863 is 3689166412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146619863 is a prime.

It is a super-2 number, since 2×2146619863² = 9215953672452277538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146619803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073309931 + 1073309932.

It is an arithmetic number, because the mean of its divisors is an integer number (1073309932).

Almost surely, 2^2146619863 is an apocalyptic number.

2146619863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146619863 is an equidigital number, since it uses as much as digits as its factorization.

2146619863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 2146619863 is about 46331.6291856870. The cubic root of 2146619863 is about 1289.9861511243.

The spelling of 2146619863 in words is "two billion, one hundred forty-six million, six hundred nineteen thousand, eight hundred sixty-three".