6246739478 has 16 divisors (see below), whose sum is σ = 11272312320. Its totient is φ = 2536270056.

The previous prime is 6246739451. The next prime is 6246739493. The reversal of 6246739478 is 8749376426.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 11741726 + ... + 11742257.

It is an arithmetic number, because the mean of its divisors is an integer number (704519520).

Almost surely, 2^6246739478 is an apocalyptic number.

6246739478 is a deficient number, since it is larger than the sum of its proper divisors (5025572842).

6246739478 is a wasteful number, since it uses less digits than its factorization.

6246739478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23484011.

The product of its digits is 12192768, while the sum is 56.

The square root of 6246739478 is about 79036.3174622907. The cubic root of 6246739478 is about 1841.6953771828.

The spelling of 6246739478 in words is "six billion, two hundred forty-six million, seven hundred thirty-nine thousand, four hundred seventy-eight".