28695424733 has 2 divisors, whose sum is σ = 28695424734. Its totient is φ = 28695424732.

The previous prime is 28695424699. The next prime is 28695424757. The reversal of 28695424733 is 33742459682.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25836704644 + 2858720089 = 160738^2 + 53467^2 .

It is a cyclic number.

It is not a de Polignac number, because 28695424733 - 2⁸ = 28695424477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28695424033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14347712366 + 14347712367.

It is an arithmetic number, because the mean of its divisors is an integer number (14347712367).

Almost surely, 2^28695424733 is an apocalyptic number.

It is an amenable number.

28695424733 is a deficient number, since it is larger than the sum of its proper divisors (1).

28695424733 is an equidigital number, since it uses as much as digits as its factorization.

28695424733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 53.

The spelling of 28695424733 in words is "twenty-eight billion, six hundred ninety-five million, four hundred twenty-four thousand, seven hundred thirty-three".