1896650911 has 2 divisors, whose sum is σ = 1896650912. Its totient is φ = 1896650910.

The previous prime is 1896650869. The next prime is 1896650929. The reversal of 1896650911 is 1190566981.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1896650911 - 2²⁵ = 1863096479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1896650981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948325455 + 948325456.

It is an arithmetic number, because the mean of its divisors is an integer number (948325456).

Almost surely, 2^1896650911 is an apocalyptic number.

1896650911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896650911 is an equidigital number, since it uses as much as digits as its factorization.

1896650911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 1896650911 is about 43550.5558058677. Note that the first 3 decimals coincide. The cubic root of 1896650911 is about 1237.8341725964.

The spelling of 1896650911 in words is "one billion, eight hundred ninety-six million, six hundred fifty thousand, nine hundred eleven".