28339576012801 has 2 divisors, whose sum is σ = 28339576012802. Its totient is φ = 28339576012800.

The previous prime is 28339576012639. The next prime is 28339576012829. The reversal of 28339576012801 is 10821067593382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19924215959025 + 8415360053776 = 4463655^2 + 2900924^2 .

It is a cyclic number.

It is not a de Polignac number, because 28339576012801 - 2¹⁵ = 28339575980033 is a prime.

It is not a weakly prime, because it can be changed into another prime (28339576012201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14169788006400 + 14169788006401.

It is an arithmetic number, because the mean of its divisors is an integer number (14169788006401).

Almost surely, 2^{28339576012801} is an apocalyptic number.

It is an amenable number.

28339576012801 is a deficient number, since it is larger than the sum of its proper divisors (1).

28339576012801 is an equidigital number, since it uses as much as digits as its factorization.

28339576012801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 28339576012801 in words is "twenty-eight trillion, three hundred thirty-nine billion, five hundred seventy-six million, twelve thousand, eight hundred one".