28623339455201 has 2 divisors, whose sum is σ = 28623339455202. Its totient is φ = 28623339455200.

The previous prime is 28623339455129. The next prime is 28623339455209. The reversal of 28623339455201 is 10255493332682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18609905766400 + 10013433688801 = 4313920^2 + 3164401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28623339455201 is a prime.

It is not a weakly prime, because it can be changed into another prime (28623339455209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14311669727600 + 14311669727601.

It is an arithmetic number, because the mean of its divisors is an integer number (14311669727601).

Almost surely, 2^{28623339455201} is an apocalyptic number.

It is an amenable number.

28623339455201 is a deficient number, since it is larger than the sum of its proper divisors (1).

28623339455201 is an equidigital number, since it uses as much as digits as its factorization.

28623339455201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 28623339455201 in words is "twenty-eight trillion, six hundred twenty-three billion, three hundred thirty-nine million, four hundred fifty-five thousand, two hundred one".