26146000631 has 2 divisors, whose sum is σ = 26146000632. Its totient is φ = 26146000630.

The previous prime is 26146000609. The next prime is 26146000633. The reversal of 26146000631 is 13600064162.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26146000631 is a prime.

It is a super-2 number, since 2×26146000631² (a number of 22 digits) contains 22 as substring.

Together with 26146000633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26146000594 and 26146000603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26146000633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13073000315 + 13073000316.

It is an arithmetic number, because the mean of its divisors is an integer number (13073000316).

Almost surely, 2^26146000631 is an apocalyptic number.

26146000631 is a deficient number, since it is larger than the sum of its proper divisors (1).

26146000631 is an equidigital number, since it uses as much as digits as its factorization.

26146000631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 26146000631 its reverse (13600064162), we get a palindrome (39746064793).

The spelling of 26146000631 in words is "twenty-six billion, one hundred forty-six million, six hundred thirty-one", and thus it is an aban number.