6456737838 has 16 divisors (see below), whose sum is σ = 12914807040. Its totient is φ = 2152024056.

The previous prime is 6456737761. The next prime is 6456737893. The reversal of 6456737838 is 8387376546.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14331 + ... + 114537.

It is an arithmetic number, because the mean of its divisors is an integer number (807175440).

Almost surely, 2^6456737838 is an apocalyptic number.

6456737838 is an abundant number, since it is smaller than the sum of its proper divisors (6458069202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6456737838 is a wasteful number, since it uses less digits than its factorization.

6456737838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110951.

The product of its digits is 20321280, while the sum is 57.

The square root of 6456737838 is about 80353.8290189086. The cubic root of 6456737838 is about 1862.1059353262.

The spelling of 6456737838 in words is "six billion, four hundred fifty-six million, seven hundred thirty-seven thousand, eight hundred thirty-eight".