2536666417 has 2 divisors, whose sum is σ = 2536666418. Its totient is φ = 2536666416.

The previous prime is 2536666411. The next prime is 2536666471. The reversal of 2536666417 is 7146666352.

2536666417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (2536666471) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2355063841 + 181602576 = 48529^2 + 13476^2 .

It is a cyclic number.

It is not a de Polignac number, because 2536666417 - 2²³ = 2528277809 is a prime.

It is a super-2 number, since 2×2536666417² = 12869353022271235778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2536666411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268333208 + 1268333209.

It is an arithmetic number, because the mean of its divisors is an integer number (1268333209).

Almost surely, 2^2536666417 is an apocalyptic number.

It is an amenable number.

2536666417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2536666417 is an equidigital number, since it uses as much as digits as its factorization.

2536666417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 46.

The square root of 2536666417 is about 50365.3295134659. The cubic root of 2536666417 is about 1363.8118294112.

The spelling of 2536666417 in words is "two billion, five hundred thirty-six million, six hundred sixty-six thousand, four hundred seventeen".