1912913927 has 2 divisors, whose sum is σ = 1912913928. Its totient is φ = 1912913926.

The previous prime is 1912913911. The next prime is 1912913929. The reversal of 1912913927 is 7293192191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1912913927 - 2⁴ = 1912913911 is a prime.

It is a super-2 number, since 2×1912913927² = 7318479384221122658, which contains 22 as substring.

Together with 1912913929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912913929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956456963 + 956456964.

It is an arithmetic number, because the mean of its divisors is an integer number (956456964).

Almost surely, 2^1912913927 is an apocalyptic number.

1912913927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912913927 is an equidigital number, since it uses as much as digits as its factorization.

1912913927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 44.

The square root of 1912913927 is about 43736.8714816229. The cubic root of 1912913927 is about 1241.3620843857.

The spelling of 1912913927 in words is "one billion, nine hundred twelve million, nine hundred thirteen thousand, nine hundred twenty-seven".