28294693351 has 2 divisors, whose sum is σ = 28294693352. Its totient is φ = 28294693350.

The previous prime is 28294693337. The next prime is 28294693363. The reversal of 28294693351 is 15339649282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28294693351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28294691351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14147346675 + 14147346676.

It is an arithmetic number, because the mean of its divisors is an integer number (14147346676).

Almost surely, 2^28294693351 is an apocalyptic number.

28294693351 is a deficient number, since it is larger than the sum of its proper divisors (1).

28294693351 is an equidigital number, since it uses as much as digits as its factorization.

28294693351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The spelling of 28294693351 in words is "twenty-eight billion, two hundred ninety-four million, six hundred ninety-three thousand, three hundred fifty-one".