2148354419 has 2 divisors, whose sum is σ = 2148354420. Its totient is φ = 2148354418.

The previous prime is 2148354407. The next prime is 2148354427. The reversal of 2148354419 is 9144538412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2148354419 - 2⁸ = 2148354163 is a prime.

It is a super-2 number, since 2×2148354419² = 9230853419273655122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2148354469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074177209 + 1074177210.

It is an arithmetic number, because the mean of its divisors is an integer number (1074177210).

Almost surely, 2^2148354419 is an apocalyptic number.

2148354419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148354419 is an equidigital number, since it uses as much as digits as its factorization.

2148354419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 2148354419 is about 46350.3443245031. The cubic root of 2148354419 is about 1290.3335113081. Note that the first 3 decimals are identical.

The spelling of 2148354419 in words is "two billion, one hundred forty-eight million, three hundred fifty-four thousand, four hundred nineteen".