26252522243 has 4 divisors (see below), whose sum is σ = 27634233960. Its totient is φ = 24870810528.

The previous prime is 26252522209. The next prime is 26252522269. The reversal of 26252522243 is 34222525262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26252522243 - 2¹⁰ = 26252521219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26252527243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690855830 + ... + 690855867.

It is an arithmetic number, because the mean of its divisors is an integer number (6908558490).

Almost surely, 2^26252522243 is an apocalyptic number.

26252522243 is a deficient number, since it is larger than the sum of its proper divisors (1381711717).

26252522243 is a wasteful number, since it uses less digits than its factorization.

26252522243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381711716.

The product of its digits is 115200, while the sum is 35.

The spelling of 26252522243 in words is "twenty-six billion, two hundred fifty-two million, five hundred twenty-two thousand, two hundred forty-three".