26103476957 has 2 divisors, whose sum is σ = 26103476958. Its totient is φ = 26103476956.

The previous prime is 26103476951. The next prime is 26103477007. The reversal of 26103476957 is 75967430162.

It is an a-pointer prime, because the next prime (26103477007) can be obtained adding 26103476957 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14973437956 + 11130039001 = 122366^2 + 105499^2 .

It is a cyclic number.

It is not a de Polignac number, because 26103476957 - 2⁸ = 26103476701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26103476951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13051738478 + 13051738479.

It is an arithmetic number, because the mean of its divisors is an integer number (13051738479).

Almost surely, 2^26103476957 is an apocalyptic number.

It is an amenable number.

26103476957 is a deficient number, since it is larger than the sum of its proper divisors (1).

26103476957 is an equidigital number, since it uses as much as digits as its factorization.

26103476957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 26103476957 in words is "twenty-six billion, one hundred three million, four hundred seventy-six thousand, nine hundred fifty-seven".