1826136910957 has 2 divisors, whose sum is σ = 1826136910958. Its totient is φ = 1826136910956.

The previous prime is 1826136910951. The next prime is 1826136910973. The reversal of 1826136910957 is 7590196316281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1810063488996 + 16073421961 = 1345386^2 + 126781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1826136910957 - 2²³ = 1826128522349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1826136910951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913068455478 + 913068455479.

It is an arithmetic number, because the mean of its divisors is an integer number (913068455479).

Almost surely, 2^{1826136910957} is an apocalyptic number.

It is an amenable number.

1826136910957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1826136910957 is an equidigital number, since it uses as much as digits as its factorization.

1826136910957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 1826136910957 in words is "one trillion, eight hundred twenty-six billion, one hundred thirty-six million, nine hundred ten thousand, nine hundred fifty-seven".