6254643995 has 16 divisors (see below), whose sum is σ = 8019997920. Its totient is φ = 4666166784.

The previous prime is 6254643973. The next prime is 6254644009. The reversal of 6254643995 is 5993464526.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6254643995 - 2¹⁰ = 6254642971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328277 + ... + 346806.

It is an arithmetic number, because the mean of its divisors is an integer number (501249870).

Almost surely, 2^6254643995 is an apocalyptic number.

6254643995 is a deficient number, since it is larger than the sum of its proper divisors (1765353925).

6254643995 is a wasteful number, since it uses less digits than its factorization.

6254643995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675214.

The product of its digits is 6998400, while the sum is 53.

The square root of 6254643995 is about 79086.3072535316. The cubic root of 6254643995 is about 1842.4718663375.

The spelling of 6254643995 in words is "six billion, two hundred fifty-four million, six hundred forty-three thousand, nine hundred ninety-five".