6890819432 has 48 divisors (see below), whose sum is σ = 15101133120. Its totient is φ = 2939176800.

The previous prime is 6890819399. The next prime is 6890819479. The reversal of 6890819432 is 2349180986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41057 + ... + 124367.

It is an arithmetic number, because the mean of its divisors is an integer number (314606940).

Almost surely, 2^6890819432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6890819432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7550566560).

6890819432 is an abundant number, since it is smaller than the sum of its proper divisors (8210313688).

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

6890819432 is a wasteful number, since it uses less digits than its factorization.

6890819432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83542 (or 83531 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 6890819432 is about 83010.9597101491. The cubic root of 6890819432 is about 1902.9335507066.

The spelling of 6890819432 in words is "six billion, eight hundred ninety million, eight hundred nineteen thousand, four hundred thirty-two".