5681351406 has 16 divisors (see below), whose sum is σ = 11669803344. Its totient is φ = 1842600384.

The previous prime is 5681351387. The next prime is 5681351407. The reversal of 5681351406 is 6041531865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681351407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12795615 + ... + 12796058.

It is an arithmetic number, because the mean of its divisors is an integer number (729362709).

Almost surely, 2^5681351406 is an apocalyptic number.

5681351406 is an abundant number, since it is smaller than the sum of its proper divisors (5988451938).

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

5681351406 is a wasteful number, since it uses less digits than its factorization.

5681351406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25591715.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 5681351406 is about 75374.7398403470. The cubic root of 5681351406 is about 1784.3657726868.

The spelling of 5681351406 in words is "five billion, six hundred eighty-one million, three hundred fifty-one thousand, four hundred six".