190980433927 has 4 divisors (see below), whose sum is σ = 191940134800. Its totient is φ = 190020733056.

The previous prime is 190980433843. The next prime is 190980433951. The reversal of 190980433927 is 729334089091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190980433927 - 2¹¹ = 190980431879 is a prime.

It is a super-2 number, since 2×190980433927² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190980433327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479850138 + ... + 479850535.

It is an arithmetic number, because the mean of its divisors is an integer number (47985033700).

Almost surely, 2^190980433927 is an apocalyptic number.

190980433927 is a deficient number, since it is larger than the sum of its proper divisors (959700873).

190980433927 is an equidigital number, since it uses as much as digits as its factorization.

190980433927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959700872.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 190980433927 in words is "one hundred ninety billion, nine hundred eighty million, four hundred thirty-three thousand, nine hundred twenty-seven".