6419543425 has 12 divisors (see below), whose sum is σ = 8001916416. Its totient is φ = 5108742800.

The previous prime is 6419543411. The next prime is 6419543453. The reversal of 6419543425 is 5243459146.

It is not a de Polignac number, because 6419543425 - 2⁵ = 6419543393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667429 + ... + 676978.

It is an arithmetic number, because the mean of its divisors is an integer number (666826368).

Almost surely, 2^6419543425 is an apocalyptic number.

It is an amenable number.

6419543425 is a deficient number, since it is larger than the sum of its proper divisors (1582372991).

6419543425 is a wasteful number, since it uses less digits than its factorization.

6419543425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344608 (or 1344603 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 6419543425 is about 80122.0532999498. The cubic root of 6419543425 is about 1858.5234577052.

The spelling of 6419543425 in words is "six billion, four hundred nineteen million, five hundred forty-three thousand, four hundred twenty-five".