1934895899 has 2 divisors, whose sum is σ = 1934895900. Its totient is φ = 1934895898.

The previous prime is 1934895877. The next prime is 1934895923. The reversal of 1934895899 is 9985984391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1934895899 - 2⁸ = 1934895643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1934895829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967447949 + 967447950.

It is an arithmetic number, because the mean of its divisors is an integer number (967447950).

Almost surely, 2^1934895899 is an apocalyptic number.

1934895899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934895899 is an equidigital number, since it uses as much as digits as its factorization.

1934895899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 65.

The square root of 1934895899 is about 43987.4516083849. The cubic root of 1934895899 is about 1246.0989633150.

The spelling of 1934895899 in words is "one billion, nine hundred thirty-four million, eight hundred ninety-five thousand, eight hundred ninety-nine".