28635755413 has 2 divisors, whose sum is σ = 28635755414. Its totient is φ = 28635755412.

The previous prime is 28635755387. The next prime is 28635755453. The reversal of 28635755413 is 31455753682.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17651248164 + 10984507249 = 132858^2 + 104807^2 .

It is a cyclic number.

It is not a de Polignac number, because 28635755413 - 2²⁹ = 28098884501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28635755453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14317877706 + 14317877707.

It is an arithmetic number, because the mean of its divisors is an integer number (14317877707).

Almost surely, 2^28635755413 is an apocalyptic number.

It is an amenable number.

28635755413 is a deficient number, since it is larger than the sum of its proper divisors (1).

28635755413 is an equidigital number, since it uses as much as digits as its factorization.

28635755413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 49.

The spelling of 28635755413 in words is "twenty-eight billion, six hundred thirty-five million, seven hundred fifty-five thousand, four hundred thirteen".