1934365871 has 2 divisors, whose sum is σ = 1934365872. Its totient is φ = 1934365870.

The previous prime is 1934365841. The next prime is 1934365877. The reversal of 1934365871 is 1785634391.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1785634391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1934365871 - 2²² = 1930171567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1934365877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967182935 + 967182936.

It is an arithmetic number, because the mean of its divisors is an integer number (967182936).

Almost surely, 2^1934365871 is an apocalyptic number.

1934365871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934365871 is an equidigital number, since it uses as much as digits as its factorization.

1934365871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 1934365871 is about 43981.4264320747. The cubic root of 1934365871 is about 1245.9851712055.

The spelling of 1934365871 in words is "one billion, nine hundred thirty-four million, three hundred sixty-five thousand, eight hundred seventy-one".