6481025674 has 4 divisors (see below), whose sum is σ = 9721538514. Its totient is φ = 3240512836.

The previous prime is 6481025623. The next prime is 6481025693. The reversal of 6481025674 is 4765201846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4765201846 = 2 ⋅2382600923.

It can be written as a sum of positive squares in only one way, i.e., 5716116025 + 764909649 = 75605^2 + 27657^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6481025674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620256417 + ... + 1620256420.

Almost surely, 2^6481025674 is an apocalyptic number.

6481025674 is a deficient number, since it is larger than the sum of its proper divisors (3240512840).

6481025674 is a wasteful number, since it uses less digits than its factorization.

6481025674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240512839.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 6481025674 is about 80504.8177067683. The cubic root of 6481025674 is about 1864.4378628149.

The spelling of 6481025674 in words is "six billion, four hundred eighty-one million, twenty-five thousand, six hundred seventy-four".