948699893 has 2 divisors, whose sum is σ = 948699894. Its totient is φ = 948699892.

The previous prime is 948699859. The next prime is 948699907. The reversal of 948699893 is 398996849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923065924 + 25633969 = 30382^2 + 5063^2 .

It is an emirp because it is prime and its reverse (398996849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948699893 - 2²⁸ = 680264437 is a prime.

It is a super-2 number, since 2×948699893² = 1800062973956422898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948699853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474349946 + 474349947.

It is an arithmetic number, because the mean of its divisors is an integer number (474349947).

Almost surely, 2^948699893 is an apocalyptic number.

It is an amenable number.

948699893 is a deficient number, since it is larger than the sum of its proper divisors (1).

948699893 is an equidigital number, since it uses as much as digits as its factorization.

948699893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30233088, while the sum is 65.

The square root of 948699893 is about 30800.9722736150. The cubic root of 948699893 is about 982.5989231933.

The spelling of 948699893 in words is "nine hundred forty-eight million, six hundred ninety-nine thousand, eight hundred ninety-three".