1826136910969 has 4 divisors (see below), whose sum is σ = 2087013612544. Its totient is φ = 1565260209396.

The previous prime is 1826136910957. The next prime is 1826136910973. The reversal of 1826136910969 is 9690196316281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1826136910969 - 2⁷ = 1826136910841 is a prime.

It is a super-2 number, since 2×1826136910969² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1826136910669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130438350777 + ... + 130438350790.

It is an arithmetic number, because the mean of its divisors is an integer number (521753403136).

Almost surely, 2^{1826136910969} is an apocalyptic number.

It is an amenable number.

1826136910969 is a deficient number, since it is larger than the sum of its proper divisors (260876701575).

1826136910969 is an equidigital number, since it uses as much as digits as its factorization.

1826136910969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260876701574.

The product of its (nonzero) digits is 7558272, while the sum is 61.

The spelling of 1826136910969 in words is "one trillion, eight hundred twenty-six billion, one hundred thirty-six million, nine hundred ten thousand, nine hundred sixty-nine".