28371696719 has 2 divisors, whose sum is σ = 28371696720. Its totient is φ = 28371696718.

The previous prime is 28371696677. The next prime is 28371696757. The reversal of 28371696719 is 91769617382.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28371696719 is a prime.

It is a super-2 number, since 2×28371696719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28371696799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14185848359 + 14185848360.

It is an arithmetic number, because the mean of its divisors is an integer number (14185848360).

Almost surely, 2^28371696719 is an apocalyptic number.

28371696719 is a deficient number, since it is larger than the sum of its proper divisors (1).

28371696719 is an equidigital number, since it uses as much as digits as its factorization.

28371696719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 59.

The spelling of 28371696719 in words is "twenty-eight billion, three hundred seventy-one million, six hundred ninety-six thousand, seven hundred nineteen".