1934944147 has 2 divisors, whose sum is σ = 1934944148. Its totient is φ = 1934944146.

The previous prime is 1934944139. The next prime is 1934944157. The reversal of 1934944147 is 7414494391.

It is a weak prime.

It is an emirp because it is prime and its reverse (7414494391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1934944147 - 2³ = 1934944139 is a prime.

It is a super-3 number, since 3×1934944147³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1934944097 and 1934944106.

It is not a weakly prime, because it can be changed into another prime (1934944127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967472073 + 967472074.

It is an arithmetic number, because the mean of its divisors is an integer number (967472074).

Almost surely, 2^1934944147 is an apocalyptic number.

1934944147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934944147 is an equidigital number, since it uses as much as digits as its factorization.

1934944147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 1934944147 is about 43988.0000341002. Note that the first 4 decimals coincide. The cubic root of 1934944147 is about 1246.1093206824.

The spelling of 1934944147 in words is "one billion, nine hundred thirty-four million, nine hundred forty-four thousand, one hundred forty-seven".