6938139702 has 16 divisors (see below), whose sum is σ = 14943685680. Its totient is φ = 2134812192.

The previous prime is 6938139683. The next prime is 6938139737. The reversal of 6938139702 is 2079318396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44475177 + ... + 44475332.

It is an arithmetic number, because the mean of its divisors is an integer number (933980355).

Almost surely, 2^6938139702 is an apocalyptic number.

6938139702 is an abundant number, since it is smaller than the sum of its proper divisors (8005545978).

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

6938139702 is a wasteful number, since it uses less digits than its factorization.

6938139702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88950527.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 6938139702 is about 83295.4962888150. The cubic root of 6938139702 is about 1907.2795258281.

The spelling of 6938139702 in words is "six billion, nine hundred thirty-eight million, one hundred thirty-nine thousand, seven hundred two".