6402237331 has 16 divisors (see below), whose sum is σ = 7371959040. Its totient is φ = 5446415520.

The previous prime is 6402237319. The next prime is 6402237377. The reversal of 6402237331 is 1337322046.

It is not a de Polignac number, because 6402237331 - 2⁷ = 6402237203 is a prime.

It is a super-2 number, since 2×6402237331² = 81977285684900007122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6402237293 and 6402237302.

It is not an unprimeable number, because it can be changed into a prime (6402237301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680721 + ... + 690061.

It is an arithmetic number, because the mean of its divisors is an integer number (460747440).

Almost surely, 2^6402237331 is an apocalyptic number.

6402237331 is a deficient number, since it is larger than the sum of its proper divisors (969721709).

6402237331 is a wasteful number, since it uses less digits than its factorization.

6402237331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 6402237331 is about 80013.9820968810. The cubic root of 6402237331 is about 1856.8518576265.

Adding to 6402237331 its reverse (1337322046), we get a palindrome (7739559377).

The spelling of 6402237331 in words is "six billion, four hundred two million, two hundred thirty-seven thousand, three hundred thirty-one".