185742969053 has 4 divisors (see below), whose sum is σ = 185947758240. Its totient is φ = 185538179868.

The previous prime is 185742969029. The next prime is 185742969059. The reversal of 185742969053 is 350969247581.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350969247581 = 509 ⋅689527009.

It is a cyclic number.

It is not a de Polignac number, because 185742969053 - 2⁶ = 185742968989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 185742968983 and 185742969001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185742969059) 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, 102393233 + ... + 102395046.

It is an arithmetic number, because the mean of its divisors is an integer number (46486939560).

It is a 1-persistent number, because it is pandigital, but 2⋅185742969053 = 371485938106 is not.

Almost surely, 2^185742969053 is an apocalyptic number.

It is an amenable number.

185742969053 is a deficient number, since it is larger than the sum of its proper divisors (204789187).

185742969053 is an equidigital number, since it uses as much as digits as its factorization.

185742969053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204789186.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 185742969053 in words is "one hundred eighty-five billion, seven hundred forty-two million, nine hundred sixty-nine thousand, fifty-three".