26604200461 has 2 divisors, whose sum is σ = 26604200462. Its totient is φ = 26604200460.

The previous prime is 26604200453. The next prime is 26604200477. The reversal of 26604200461 is 16400240662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26570630025 + 33570436 = 163005^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 26604200461 - 2³ = 26604200453 is a prime.

It is a super-2 number, since 2×26604200461² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26604200431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13302100230 + 13302100231.

It is an arithmetic number, because the mean of its divisors is an integer number (13302100231).

Almost surely, 2^26604200461 is an apocalyptic number.

It is an amenable number.

26604200461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26604200461 is an equidigital number, since it uses as much as digits as its factorization.

26604200461 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 31.

The spelling of 26604200461 in words is "twenty-six billion, six hundred four million, two hundred thousand, four hundred sixty-one".