2428681919 has 2 divisors, whose sum is σ = 2428681920. Its totient is φ = 2428681918.

The previous prime is 2428681903. The next prime is 2428681921. The reversal of 2428681919 is 9191868242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2428681919 - 2⁴ = 2428681903 is a prime.

It is a super-2 number, since 2×2428681919² = 11796991727355045122, which contains 22 as substring.

Together with 2428681921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2428681939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214340959 + 1214340960.

It is an arithmetic number, because the mean of its divisors is an integer number (1214340960).

Almost surely, 2^2428681919 is an apocalyptic number.

2428681919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428681919 is an equidigital number, since it uses as much as digits as its factorization.

2428681919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 50.

The square root of 2428681919 is about 49281.6590528363. The cubic root of 2428681919 is about 1344.1782995733.

The spelling of 2428681919 in words is "two billion, four hundred twenty-eight million, six hundred eighty-one thousand, nine hundred nineteen".