28298203001 has 2 divisors, whose sum is σ = 28298203002. Its totient is φ = 28298203000.

The previous prime is 28298202971. The next prime is 28298203007. The reversal of 28298203001 is 10030289282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14830368400 + 13467834601 = 121780^2 + 116051^2 .

It is a cyclic number.

It is not a de Polignac number, because 28298203001 - 2⁶ = 28298202937 is a prime.

It is not a weakly prime, because it can be changed into another prime (28298203007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14149101500 + 14149101501.

It is an arithmetic number, because the mean of its divisors is an integer number (14149101501).

Almost surely, 2^28298203001 is an apocalyptic number.

It is an amenable number.

28298203001 is a deficient number, since it is larger than the sum of its proper divisors (1).

28298203001 is an equidigital number, since it uses as much as digits as its factorization.

28298203001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 28298203001 in words is "twenty-eight billion, two hundred ninety-eight million, two hundred three thousand, one".