6896621380 has 48 divisors (see below), whose sum is σ = 15956015040. Its totient is φ = 2483024000.

The previous prime is 6896621377. The next prime is 6896621383. The reversal of 6896621380 is 831266986.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6896621377) and next prime (6896621383).

It is not an unprimeable number, because it can be changed into a prime (6896621383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132970 + ... + 177409.

It is an arithmetic number, because the mean of its divisors is an integer number (332416980).

Almost surely, 2^6896621380 is an apocalyptic number.

It is an amenable number.

6896621380 is an abundant number, since it is smaller than the sum of its proper divisors (9059393660).

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

6896621380 is a wasteful number, since it uses less digits than its factorization.

6896621380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310500 (or 310498 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 6896621380 is about 83045.8992365066. The cubic root of 6896621380 is about 1903.4674796715.

The spelling of 6896621380 in words is "six billion, eight hundred ninety-six million, six hundred twenty-one thousand, three hundred eighty".