1919132959 has 2 divisors, whose sum is σ = 1919132960. Its totient is φ = 1919132958.

The previous prime is 1919132951. The next prime is 1919133001. The reversal of 1919132959 is 9592319191.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1919132959 - 2³ = 1919132951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1919132951) 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 as a sum of consecutive naturals, namely, 959566479 + 959566480.

It is an arithmetic number, because the mean of its divisors is an integer number (959566480).

Almost surely, 2^1919132959 is an apocalyptic number.

1919132959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1919132959 is an equidigital number, since it uses as much as digits as its factorization.

1919132959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196830, while the sum is 49.

The square root of 1919132959 is about 43807.9097766602. The cubic root of 1919132959 is about 1242.7058840747.

The spelling of 1919132959 in words is "one billion, nine hundred nineteen million, one hundred thirty-two thousand, nine hundred fifty-nine".