6731000642 has 4 divisors (see below), whose sum is σ = 10096500966. Its totient is φ = 3365500320.

The previous prime is 6731000599. The next prime is 6731000681. The reversal of 6731000642 is 2460001376.

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., 5384771161 + 1346229481 = 73381^2 + 36691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682750159 + ... + 1682750162.

Almost surely, 2^6731000642 is an apocalyptic number.

6731000642 is a deficient number, since it is larger than the sum of its proper divisors (3365500324).

6731000642 is a wasteful number, since it uses less digits than its factorization.

6731000642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365500323.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 6731000642 is about 82042.6757364727. The cubic root of 6731000642 is about 1888.1067462822.

The spelling of 6731000642 in words is "six billion, seven hundred thirty-one million, six hundred forty-two", and thus it is an aban number.