26244200431 has 2 divisors, whose sum is σ = 26244200432. Its totient is φ = 26244200430.

The previous prime is 26244200419. The next prime is 26244200447. The reversal of 26244200431 is 13400244262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26244200431 - 2⁷ = 26244200303 is a prime.

It is a super-2 number, since 2×26244200431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26244200431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26244200401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13122100215 + 13122100216.

It is an arithmetic number, because the mean of its divisors is an integer number (13122100216).

Almost surely, 2^26244200431 is an apocalyptic number.

26244200431 is a deficient number, since it is larger than the sum of its proper divisors (1).

26244200431 is an equidigital number, since it uses as much as digits as its factorization.

26244200431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 26244200431 its reverse (13400244262), we get a palindrome (39644444693).

The spelling of 26244200431 in words is "twenty-six billion, two hundred forty-four million, two hundred thousand, four hundred thirty-one".