16236230639 has 2 divisors, whose sum is σ = 16236230640. Its totient is φ = 16236230638.

The previous prime is 16236230629. The next prime is 16236230657. The reversal of 16236230639 is 93603263261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16236230639 - 2⁴ = 16236230623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16236230596 and 16236230605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16236230629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8118115319 + 8118115320.

It is an arithmetic number, because the mean of its divisors is an integer number (8118115320).

Almost surely, 2^16236230639 is an apocalyptic number.

16236230639 is a deficient number, since it is larger than the sum of its proper divisors (1).

16236230639 is an equidigital number, since it uses as much as digits as its factorization.

16236230639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 41.

The spelling of 16236230639 in words is "sixteen billion, two hundred thirty-six million, two hundred thirty thousand, six hundred thirty-nine".