6842736882638 has 4 divisors (see below), whose sum is σ = 10264105323960. Its totient is φ = 3421368441318.

The previous prime is 6842736882593. The next prime is 6842736882647. The reversal of 6842736882638 is 8362886372486.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710684220658 + ... + 1710684220661.

It is an arithmetic number, because the mean of its divisors is an integer number (2566026330990).

Almost surely, 2^{6842736882638} is an apocalyptic number.

6842736882638 is a deficient number, since it is larger than the sum of its proper divisors (3421368441322).

6842736882638 is a wasteful number, since it uses less digits than its factorization.

6842736882638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421368441321.

The product of its digits is 891813888, while the sum is 71.

The spelling of 6842736882638 in words is "six trillion, eight hundred forty-two billion, seven hundred thirty-six million, eight hundred eighty-two thousand, six hundred thirty-eight".