1838192919201 has 12 divisors (see below), whose sum is σ = 2655686913828. Its totient is φ = 1225222239744.

The previous prime is 1838192919197. The next prime is 1838192919217. The reversal of 1838192919201 is 1029192918381.

It is a happy number.

1838192919201 is a `hidden beast` number, since 1 + 8 + 381 + 92 + 91 + 92 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 214609827600 + 1623583091601 = 463260^2 + 1274199^2 .

It is not a de Polignac number, because 1838192919201 - 2² = 1838192919197 is a prime.

It is a super-2 number, since 2×1838192919201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1838192917201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19926960 + ... + 20018993.

It is an arithmetic number, because the mean of its divisors is an integer number (221307242819).

Almost surely, 2^{1838192919201} is an apocalyptic number.

It is an amenable number.

1838192919201 is a deficient number, since it is larger than the sum of its proper divisors (817493994627).

1838192919201 is a wasteful number, since it uses less digits than its factorization.

1838192919201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39951072 (or 39951069 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 54.

The spelling of 1838192919201 in words is "one trillion, eight hundred thirty-eight billion, one hundred ninety-two million, nine hundred nineteen thousand, two hundred one".