6481000426 has 4 divisors (see below), whose sum is σ = 9721500642. Its totient is φ = 3240500212.

The previous prime is 6481000411. The next prime is 6481000429. The reversal of 6481000426 is 6240001846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3970890225 + 2510110201 = 63015^2 + 50101^2 .

It is not an unprimeable number, because it can be changed into a prime (6481000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620250105 + ... + 1620250108.

Almost surely, 2^6481000426 is an apocalyptic number.

6481000426 is a deficient number, since it is larger than the sum of its proper divisors (3240500216).

6481000426 is a wasteful number, since it uses less digits than its factorization.

6481000426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240500215.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 6481000426 is about 80504.6608961245. The cubic root of 6481000426 is about 1864.4354417275.

The spelling of 6481000426 in words is "six billion, four hundred eighty-one million, four hundred twenty-six", and thus it is an aban number.