28024336972829 has 2 divisors, whose sum is σ = 28024336972830. Its totient is φ = 28024336972828.

The previous prime is 28024336972783. The next prime is 28024336972837. The reversal of 28024336972829 is 92827963342082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23240064432025 + 4784272540804 = 4820795^2 + 2187298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28024336972829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28024336972859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012168486414 + 14012168486415.

It is an arithmetic number, because the mean of its divisors is an integer number (14012168486415).

Almost surely, 2^{28024336972829} is an apocalyptic number.

It is an amenable number.

28024336972829 is a deficient number, since it is larger than the sum of its proper divisors (1).

28024336972829 is an equidigital number, since it uses as much as digits as its factorization.

28024336972829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 28024336972829 in words is "twenty-eight trillion, twenty-four billion, three hundred thirty-six million, nine hundred seventy-two thousand, eight hundred twenty-nine".