26957103263953 has 2 divisors, whose sum is σ = 26957103263954. Its totient is φ = 26957103263952.

The previous prime is 26957103263947. The next prime is 26957103264017. The reversal of 26957103263953 is 35936230175962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18741903372864 + 8215199891089 = 4329192^2 + 2866217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26957103263953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26957103263891 and 26957103263900.

It is not a weakly prime, because it can be changed into another prime (26957103263053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13478551631976 + 13478551631977.

It is an arithmetic number, because the mean of its divisors is an integer number (13478551631977).

Almost surely, 2^{26957103263953} is an apocalyptic number.

It is an amenable number.

26957103263953 is a deficient number, since it is larger than the sum of its proper divisors (1).

26957103263953 is an equidigital number, since it uses as much as digits as its factorization.

26957103263953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55112400, while the sum is 61.

The spelling of 26957103263953 in words is "twenty-six trillion, nine hundred fifty-seven billion, one hundred three million, two hundred sixty-three thousand, nine hundred fifty-three".