26314425631 has 4 divisors (see below), whose sum is σ = 28338612232. Its totient is φ = 24290239032.

The previous prime is 26314425629. The next prime is 26314425653. The reversal of 26314425631 is 13652441362.

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 26314425631 - 2¹ = 26314425629 is a prime.

It is a super-2 number, since 2×26314425631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26314425661) 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, 1012093281 + ... + 1012093306.

It is an arithmetic number, because the mean of its divisors is an integer number (7084653058).

Almost surely, 2^26314425631 is an apocalyptic number.

26314425631 is a deficient number, since it is larger than the sum of its proper divisors (2024186601).

26314425631 is a wasteful number, since it uses less digits than its factorization.

26314425631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024186600.

The product of its digits is 103680, while the sum is 37.

Adding to 26314425631 its reverse (13652441362), we get a palindrome (39966866993).

The spelling of 26314425631 in words is "twenty-six billion, three hundred fourteen million, four hundred twenty-five thousand, six hundred thirty-one".