6841869624638 has 4 divisors (see below), whose sum is σ = 10262804436960. Its totient is φ = 3420934812318.

The previous prime is 6841869624593. The next prime is 6841869624647. The reversal of 6841869624638 is 8364269681486.

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

It is a super-2 number, since 2×6841869624638² (a number of 26 digits) contains 22 as substring.

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, 1710467406158 + ... + 1710467406161.

It is an arithmetic number, because the mean of its divisors is an integer number (2565701109240).

Almost surely, 2^{6841869624638} is an apocalyptic number.

6841869624638 is a deficient number, since it is larger than the sum of its proper divisors (3420934812322).

6841869624638 is a wasteful number, since it uses less digits than its factorization.

6841869624638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420934812321.

The product of its digits is 573308928, while the sum is 71.

The spelling of 6841869624638 in words is "six trillion, eight hundred forty-one billion, eight hundred sixty-nine million, six hundred twenty-four thousand, six hundred thirty-eight".