28135319659 has 2 divisors, whose sum is σ = 28135319660. Its totient is φ = 28135319658.

The previous prime is 28135319633. The next prime is 28135319677. The reversal of 28135319659 is 95691353182.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28135319659 is a prime.

It is a super-2 number, since 2×28135319659² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28135319159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14067659829 + 14067659830.

It is an arithmetic number, because the mean of its divisors is an integer number (14067659830).

Almost surely, 2^28135319659 is an apocalyptic number.

28135319659 is a deficient number, since it is larger than the sum of its proper divisors (1).

28135319659 is an equidigital number, since it uses as much as digits as its factorization.

28135319659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 52.

The spelling of 28135319659 in words is "twenty-eight billion, one hundred thirty-five million, three hundred nineteen thousand, six hundred fifty-nine".