1826136910972 has 12 divisors (see below), whose sum is σ = 3486261375576. Its totient is φ = 830062232240.

The previous prime is 1826136910957. The next prime is 1826136910973. The reversal of 1826136910972 is 2790196316281.

It is a happy number.

It is a super-2 number, since 2×1826136910972² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826136910973) 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, 20751555763 + ... + 20751555850.

It is an arithmetic number, because the mean of its divisors is an integer number (290521781298).

Almost surely, 2^{1826136910972} is an apocalyptic number.

It is an amenable number.

1826136910972 is a deficient number, since it is larger than the sum of its proper divisors (1660124464604).

1826136910972 is a wasteful number, since it uses less digits than its factorization.

1826136910972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41503111628 (or 41503111626 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 1826136910972 in words is "one trillion, eight hundred twenty-six billion, one hundred thirty-six million, nine hundred ten thousand, nine hundred seventy-two".