28692893501 has 2 divisors, whose sum is σ = 28692893502. Its totient is φ = 28692893500.

The previous prime is 28692893407. The next prime is 28692893503. The reversal of 28692893501 is 10539829682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26756453476 + 1936440025 = 163574^2 + 44005^2 .

It is a cyclic number.

It is not a de Polignac number, because 28692893501 - 2²⁶ = 28625784637 is a prime.

Together with 28692893503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28692893503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14346446750 + 14346446751.

It is an arithmetic number, because the mean of its divisors is an integer number (14346446751).

Almost surely, 2^28692893501 is an apocalyptic number.

It is an amenable number.

28692893501 is a deficient number, since it is larger than the sum of its proper divisors (1).

28692893501 is an equidigital number, since it uses as much as digits as its factorization.

28692893501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 28692893501 in words is "twenty-eight billion, six hundred ninety-two million, eight hundred ninety-three thousand, five hundred one".