6321371490 has 128 divisors (see below), whose sum is σ = 19529464320. Its totient is φ = 1425060864.

The previous prime is 6321371473. The next prime is 6321371503. The reversal of 6321371490 is 941731236.

6321371490 is a `hidden beast` number, since 6 + 32 + 137 + 1 + 490 = 666.

6321371490 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115062 + ... + 160878.

It is an arithmetic number, because the mean of its divisors is an integer number (152573940).

Almost surely, 2^6321371490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6321371490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9764732160).

6321371490 is an abundant number, since it is smaller than the sum of its proper divisors (13208092830).

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

6321371490 is a wasteful number, since it uses less digits than its factorization.

6321371490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45913 (or 45907 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 6321371490 is about 79507.0530833586. The cubic root of 6321371490 is about 1849.0008229977. Note that the first 3 decimals are identical.

The spelling of 6321371490 in words is "six billion, three hundred twenty-one million, three hundred seventy-one thousand, four hundred ninety".