190856038093 has 4 divisors (see below), whose sum is σ = 218121186400. Its totient is φ = 163590889788.

The previous prime is 190856038067. The next prime is 190856038127. The reversal of 190856038093 is 390830658091.

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 190856038093 - 2²¹ = 190853940941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190856038093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190856038003) 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, 13632574143 + ... + 13632574156.

It is an arithmetic number, because the mean of its divisors is an integer number (54530296600).

Almost surely, 2^190856038093 is an apocalyptic number.

It is an amenable number.

190856038093 is a deficient number, since it is larger than the sum of its proper divisors (27265148307).

190856038093 is an equidigital number, since it uses as much as digits as its factorization.

190856038093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27265148306.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 190856038093 in words is "one hundred ninety billion, eight hundred fifty-six million, thirty-eight thousand, ninety-three".