1924341491 has 2 divisors, whose sum is σ = 1924341492. Its totient is φ = 1924341490.

The previous prime is 1924341479. The next prime is 1924341493. The reversal of 1924341491 is 1941434291.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1924341491 - 2¹⁸ = 1924079347 is a prime.

Together with 1924341493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1924341493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962170745 + 962170746.

It is an arithmetic number, because the mean of its divisors is an integer number (962170746).

Almost surely, 2^1924341491 is an apocalyptic number.

1924341491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924341491 is an equidigital number, since it uses as much as digits as its factorization.

1924341491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 1924341491 is about 43867.3168885447. The cubic root of 1924341491 is about 1243.8291042471.

The spelling of 1924341491 in words is "one billion, nine hundred twenty-four million, three hundred forty-one thousand, four hundred ninety-one".