6519354923 has 2 divisors, whose sum is σ = 6519354924. Its totient is φ = 6519354922.

The previous prime is 6519354893. The next prime is 6519354949. The reversal of 6519354923 is 3294539156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6519354923 - 2¹⁸ = 6519092779 is a prime.

It is a super-2 number, since 2×6519354923² = 85003977224088671858, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6519354223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3259677461 + 3259677462.

It is an arithmetic number, because the mean of its divisors is an integer number (3259677462).

Almost surely, 2^6519354923 is an apocalyptic number.

6519354923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6519354923 is an equidigital number, since it uses as much as digits as its factorization.

6519354923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 47.

The square root of 6519354923 is about 80742.5223968139. The cubic root of 6519354923 is about 1868.1061137786.

The spelling of 6519354923 in words is "six billion, five hundred nineteen million, three hundred fifty-four thousand, nine hundred twenty-three".