28601823001 has 2 divisors, whose sum is σ = 28601823002. Its totient is φ = 28601823000.

The previous prime is 28601822969. The next prime is 28601823017. The reversal of 28601823001 is 10032810682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27517833225 + 1083989776 = 165885^2 + 32924^2 .

It is a cyclic number.

It is not a de Polignac number, because 28601823001 - 2⁵ = 28601822969 is a prime.

It is not a weakly prime, because it can be changed into another prime (28601823091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300911500 + 14300911501.

It is an arithmetic number, because the mean of its divisors is an integer number (14300911501).

Almost surely, 2^28601823001 is an apocalyptic number.

It is an amenable number.

28601823001 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601823001 is an equidigital number, since it uses as much as digits as its factorization.

28601823001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 28601823001 in words is "twenty-eight billion, six hundred one million, eight hundred twenty-three thousand, one".