6938890000 has 375 divisors, whose sum is σ = 20819208377. Its totient is φ = 2239104000.

The previous prime is 6938889977. The next prime is 6938890027. The reversal of 6938890000 is 988396.

The square root of 6938890000 is 83300.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 3388636944 + 3550253056 = 58212^2 + 59584^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 408169992 + ... + 408170008.

Almost surely, 2^6938890000 is an apocalyptic number.

6938890000 is the 83300-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6938890000

6938890000 is an abundant number, since it is smaller than the sum of its proper divisors (13880318377).

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

6938890000 is an frugal number, since it uses more digits than its factorization.

6938890000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The cubic root of 6938890000 is about 1907.3482751132.

The spelling of 6938890000 in words is "six billion, nine hundred thirty-eight million, eight hundred ninety thousand".