1916379263 has 2 divisors, whose sum is σ = 1916379264. Its totient is φ = 1916379262.

The previous prime is 1916379259. The next prime is 1916379271. The reversal of 1916379263 is 3629736191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1916379263 - 2² = 1916379259 is a prime.

It is a super-3 number, since 3×1916379263³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1916379163) 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, 958189631 + 958189632.

It is an arithmetic number, because the mean of its divisors is an integer number (958189632).

Almost surely, 2^1916379263 is an apocalyptic number.

1916379263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916379263 is an equidigital number, since it uses as much as digits as its factorization.

1916379263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The square root of 1916379263 is about 43776.4692843084. The cubic root of 1916379263 is about 1242.1112279948. Note that the first 3 decimals are identical.

The spelling of 1916379263 in words is "one billion, nine hundred sixteen million, three hundred seventy-nine thousand, two hundred sixty-three".