190020291347 has 4 divisors (see below), whose sum is σ = 190023421440. Its totient is φ = 190017161256.

The previous prime is 190020291341. The next prime is 190020291371. The reversal of 190020291347 is 743192020091.

190020291347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743192020091 = 97 ⋅7661773403.

It is a cyclic number.

It is not a de Polignac number, because 190020291347 - 2¹² = 190020287251 is a prime.

It is a super-2 number, since 2×190020291347² (a number of 23 digits) contains 22 as substring.

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 190020291347.

It is not an unprimeable number, because it can be changed into a prime (190020291341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472147 + ... + 1596012.

It is an arithmetic number, because the mean of its divisors is an integer number (47505855360).

Almost surely, 2^190020291347 is an apocalyptic number.

190020291347 is a deficient number, since it is larger than the sum of its proper divisors (3130093).

190020291347 is an equidigital number, since it uses as much as digits as its factorization.

190020291347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130092.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 190020291347 in words is "one hundred ninety billion, twenty million, two hundred ninety-one thousand, three hundred forty-seven".