28012374263 has 2 divisors, whose sum is σ = 28012374264. Its totient is φ = 28012374262.

The previous prime is 28012374193. The next prime is 28012374307. The reversal of 28012374263 is 36247321082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28012374263 - 2²² = 28008179959 is a prime.

It is a super-2 number, since 2×28012374263² (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 (28012334263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14006187131 + 14006187132.

It is an arithmetic number, because the mean of its divisors is an integer number (14006187132).

Almost surely, 2^28012374263 is an apocalyptic number.

28012374263 is a deficient number, since it is larger than the sum of its proper divisors (1).

28012374263 is an equidigital number, since it uses as much as digits as its factorization.

28012374263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 28012374263 in words is "twenty-eight billion, twelve million, three hundred seventy-four thousand, two hundred sixty-three".