1914095447 has 4 divisors (see below), whose sum is σ = 2088104136. Its totient is φ = 1740086760.

The previous prime is 1914095419. The next prime is 1914095591. The reversal of 1914095447 is 7445904191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7445904191 = 11 ⋅676900381.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914095447 is a prime.

It is a super-2 number, since 2×1914095447² = 7327522760452259618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1914095398 and 1914095407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914095047) 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, 87004328 + ... + 87004349.

It is an arithmetic number, because the mean of its divisors is an integer number (522026034).

Almost surely, 2^1914095447 is an apocalyptic number.

1914095447 is a deficient number, since it is larger than the sum of its proper divisors (174008689).

1914095447 is a wasteful number, since it uses less digits than its factorization.

1914095447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174008688.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1914095447 is about 43750.3765355225. The cubic root of 1914095447 is about 1241.6176094327.

The spelling of 1914095447 in words is "one billion, nine hundred fourteen million, ninety-five thousand, four hundred forty-seven".