1934063819 has 2 divisors, whose sum is σ = 1934063820. Its totient is φ = 1934063818.

The previous prime is 1934063773. The next prime is 1934063821. The reversal of 1934063819 is 9183604391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1934063819 is a prime.

It is a super-2 number, since 2×1934063819² = 7481205711929729522, which contains 22 as substring.

Together with 1934063821, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1934063819.

It is not a weakly prime, because it can be changed into another prime (1934063869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967031909 + 967031910.

It is an arithmetic number, because the mean of its divisors is an integer number (967031910).

Almost surely, 2^1934063819 is an apocalyptic number.

1934063819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934063819 is an equidigital number, since it uses as much as digits as its factorization.

1934063819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1934063819 is about 43977.9924394009. The cubic root of 1934063819 is about 1245.9203141363.

The spelling of 1934063819 in words is "one billion, nine hundred thirty-four million, sixty-three thousand, eight hundred nineteen".