6023440639 has 2 divisors, whose sum is σ = 6023440640. Its totient is φ = 6023440638.

The previous prime is 6023440627. The next prime is 6023440681. The reversal of 6023440639 is 9360443206.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6023440639 - 2⁹ = 6023440127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6023440598 and 6023440607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6023440609) 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 as a sum of consecutive naturals, namely, 3011720319 + 3011720320.

It is an arithmetic number, because the mean of its divisors is an integer number (3011720320).

Almost surely, 2^6023440639 is an apocalyptic number.

6023440639 is a deficient number, since it is larger than the sum of its proper divisors (1).

6023440639 is an equidigital number, since it uses as much as digits as its factorization.

6023440639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 6023440639 is about 77610.8281040732. The cubic root of 6023440639 is about 1819.4838772177.

The spelling of 6023440639 in words is "six billion, twenty-three million, four hundred forty thousand, six hundred thirty-nine".