1917414137 has 2 divisors, whose sum is σ = 1917414138. Its totient is φ = 1917414136.

The previous prime is 1917414133. The next prime is 1917414179. The reversal of 1917414137 is 7314147191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1366854841 + 550559296 = 36971^2 + 23464^2 .

It is a cyclic number.

It is not a de Polignac number, because 1917414137 - 2² = 1917414133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1917414137.

It is not a weakly prime, because it can be changed into another prime (1917414133) 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, 958707068 + 958707069.

It is an arithmetic number, because the mean of its divisors is an integer number (958707069).

Almost surely, 2^1917414137 is an apocalyptic number.

It is an amenable number.

1917414137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1917414137 is an equidigital number, since it uses as much as digits as its factorization.

1917414137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 1917414137 is about 43788.2876691930. The cubic root of 1917414137 is about 1242.3347740895.

The spelling of 1917414137 in words is "one billion, nine hundred seventeen million, four hundred fourteen thousand, one hundred thirty-seven".