28271351351 has 2 divisors, whose sum is σ = 28271351352. Its totient is φ = 28271351350.

The previous prime is 28271351333. The next prime is 28271351369. The reversal of 28271351351 is 15315317282.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (28271351333) and next prime (28271351369).

It is a cyclic number.

It is not a de Polignac number, because 28271351351 - 2¹⁴ = 28271334967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28271351371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14135675675 + 14135675676.

It is an arithmetic number, because the mean of its divisors is an integer number (14135675676).

Almost surely, 2^28271351351 is an apocalyptic number.

28271351351 is a deficient number, since it is larger than the sum of its proper divisors (1).

28271351351 is an equidigital number, since it uses as much as digits as its factorization.

28271351351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The spelling of 28271351351 in words is "twenty-eight billion, two hundred seventy-one million, three hundred fifty-one thousand, three hundred fifty-one".