7639121113206 has 64 divisors (see below), whose sum is σ = 16709976898560. Its totient is φ = 2308941653760.

The previous prime is 7639121113201. The next prime is 7639121113213. The reversal of 7639121113206 is 6023111219367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7639121113201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351100080 + ... + 351121836.

It is an arithmetic number, because the mean of its divisors is an integer number (261093389040).

Almost surely, 2^{7639121113206} is an apocalyptic number.

7639121113206 is an abundant number, since it is smaller than the sum of its proper divisors (9070855785354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7639121113206 is a wasteful number, since it uses less digits than its factorization.

7639121113206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35189.

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 7639121113206 in words is "seven trillion, six hundred thirty-nine billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred six".