26275000631 has 4 divisors (see below), whose sum is σ = 28663637064. Its totient is φ = 23886364200.

The previous prime is 26275000597. The next prime is 26275000681. The reversal of 26275000631 is 13600057262.

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 26275000631 - 2³⁰ = 25201258807 is a prime.

It is a super-2 number, since 2×26275000631² (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 (26275000681) 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, 1194318200 + ... + 1194318221.

It is an arithmetic number, because the mean of its divisors is an integer number (7165909266).

Almost surely, 2^26275000631 is an apocalyptic number.

26275000631 is a deficient number, since it is larger than the sum of its proper divisors (2388636433).

26275000631 is a wasteful number, since it uses less digits than its factorization.

26275000631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388636432.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 26275000631 its reverse (13600057262), we get a palindrome (39875057893).

The spelling of 26275000631 in words is "twenty-six billion, two hundred seventy-five million, six hundred thirty-one", and thus it is an aban number.