6481874954 has 16 divisors (see below), whose sum is σ = 10534157568. Its totient is φ = 2979356352.

The previous prime is 6481874939. The next prime is 6481874963. The reversal of 6481874954 is 4594781846.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6481874954.

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, 2215322 + ... + 2218245.

It is an arithmetic number, because the mean of its divisors is an integer number (658384848).

Almost surely, 2^6481874954 is an apocalyptic number.

6481874954 is a deficient number, since it is larger than the sum of its proper divisors (4052282614).

6481874954 is a wasteful number, since it uses less digits than its factorization.

6481874954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433629.

The product of its digits is 7741440, while the sum is 56.

The square root of 6481874954 is about 80510.0922493572. The cubic root of 6481874954 is about 1864.5192985170.

The spelling of 6481874954 in words is "six billion, four hundred eighty-one million, eight hundred seventy-four thousand, nine hundred fifty-four".