6858642662 has 4 divisors (see below), whose sum is σ = 10287963996. Its totient is φ = 3429321330.

The previous prime is 6858642617. The next prime is 6858642701. The reversal of 6858642662 is 2662468586.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714660664 + ... + 1714660667.

It is an arithmetic number, because the mean of its divisors is an integer number (2571990999).

Almost surely, 2^6858642662 is an apocalyptic number.

6858642662 is a deficient number, since it is larger than the sum of its proper divisors (3429321334).

6858642662 is a wasteful number, since it uses less digits than its factorization.

6858642662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429321333.

The product of its digits is 6635520, while the sum is 53.

The square root of 6858642662 is about 82816.9225581342. The cubic root of 6858642662 is about 1899.9670042285.

The spelling of 6858642662 in words is "six billion, eight hundred fifty-eight million, six hundred forty-two thousand, six hundred sixty-two".