1419942191 has 4 divisors (see below), whose sum is σ = 1481678832. Its totient is φ = 1358205552.

The previous prime is 1419942179. The next prime is 1419942211. The reversal of 1419942191 is 1912499141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1912499141 = 7 ⋅273214163.

It is a cyclic number.

It is not a de Polignac number, because 1419942191 - 2¹⁴ = 1419925807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419942131) 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, 30868286 + ... + 30868331.

It is an arithmetic number, because the mean of its divisors is an integer number (370419708).

Almost surely, 2^1419942191 is an apocalyptic number.

1419942191 is a deficient number, since it is larger than the sum of its proper divisors (61736641).

1419942191 is an equidigital number, since it uses as much as digits as its factorization.

1419942191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61736640.

The product of its digits is 23328, while the sum is 41.

The square root of 1419942191 is about 37682.1203092395. The cubic root of 1419942191 is about 1123.9756116401.

The spelling of 1419942191 in words is "one billion, four hundred nineteen million, nine hundred forty-two thousand, one hundred ninety-one".