190300730357 has 4 divisors (see below), whose sum is σ = 190357898220. Its totient is φ = 190243562496.

The previous prime is 190300730293. The next prime is 190300730359. The reversal of 190300730357 is 753037003091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753037003091 = 83 ⋅9072734977.

It can be written as a sum of positive squares in 2 ways, for example, as 50495033521 + 139805696836 = 224711^2 + 373906^2 .

It is a cyclic number.

It is not a de Polignac number, because 190300730357 - 2⁶ = 190300730293 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 190300730357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190300730359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28578938 + ... + 28585595.

It is an arithmetic number, because the mean of its divisors is an integer number (47589474555).

Almost surely, 2^190300730357 is an apocalyptic number.

It is an amenable number.

190300730357 is a deficient number, since it is larger than the sum of its proper divisors (57167863).

190300730357 is an equidigital number, since it uses as much as digits as its factorization.

190300730357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57167862.

The product of its (nonzero) digits is 59535, while the sum is 38.

The spelling of 190300730357 in words is "one hundred ninety billion, three hundred million, seven hundred thirty thousand, three hundred fifty-seven".