26248306631 has 2 divisors, whose sum is σ = 26248306632. Its totient is φ = 26248306630.

The previous prime is 26248306621. The next prime is 26248306681. The reversal of 26248306631 is 13660384262.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26248306631 is a prime.

It is a super-2 number, since 2×26248306631² (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 (26248306621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13124153315 + 13124153316.

It is an arithmetic number, because the mean of its divisors is an integer number (13124153316).

Almost surely, 2^26248306631 is an apocalyptic number.

26248306631 is a deficient number, since it is larger than the sum of its proper divisors (1).

26248306631 is an equidigital number, since it uses as much as digits as its factorization.

26248306631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 26248306631 in words is "twenty-six billion, two hundred forty-eight million, three hundred six thousand, six hundred thirty-one".