26546345330957 has 2 divisors, whose sum is σ = 26546345330958. Its totient is φ = 26546345330956.

The previous prime is 26546345330951. The next prime is 26546345331127. The reversal of 26546345330957 is 75903354364562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21789981264676 + 4756364066281 = 4667974^2 + 2180909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26546345330957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26546345330957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26546345330951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13273172665478 + 13273172665479.

It is an arithmetic number, because the mean of its divisors is an integer number (13273172665479).

Almost surely, 2^{26546345330957} is an apocalyptic number.

It is an amenable number.

26546345330957 is a deficient number, since it is larger than the sum of its proper divisors (1).

26546345330957 is an equidigital number, since it uses as much as digits as its factorization.

26546345330957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944000, while the sum is 62.

The spelling of 26546345330957 in words is "twenty-six trillion, five hundred forty-six billion, three hundred forty-five million, three hundred thirty thousand, nine hundred fifty-seven".