28645372799951 has 2 divisors, whose sum is σ = 28645372799952. Its totient is φ = 28645372799950.

The previous prime is 28645372799941. The next prime is 28645372800103. The reversal of 28645372799951 is 15999727354682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28645372799951 - 2³⁸ = 28370494893007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28645372799941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14322686399975 + 14322686399976.

It is an arithmetic number, because the mean of its divisors is an integer number (14322686399976).

Almost surely, 2^{28645372799951} is an apocalyptic number.

28645372799951 is a deficient number, since it is larger than the sum of its proper divisors (1).

28645372799951 is an equidigital number, since it uses as much as digits as its factorization.

28645372799951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2057529600, while the sum is 77.

The spelling of 28645372799951 in words is "twenty-eight trillion, six hundred forty-five billion, three hundred seventy-two million, seven hundred ninety-nine thousand, nine hundred fifty-one".