949198853 has 2 divisors, whose sum is σ = 949198854. Its totient is φ = 949198852.

The previous prime is 949198843. The next prime is 949198867. The reversal of 949198853 is 358891949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839724484 + 109474369 = 28978^2 + 10463^2 .

It is a cyclic number.

It is not a de Polignac number, because 949198853 - 2²⁰ = 948150277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949198843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474599426 + 474599427.

It is an arithmetic number, because the mean of its divisors is an integer number (474599427).

Almost surely, 2^949198853 is an apocalyptic number.

It is an amenable number.

949198853 is a deficient number, since it is larger than the sum of its proper divisors (1).

949198853 is an equidigital number, since it uses as much as digits as its factorization.

949198853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 56.

The square root of 949198853 is about 30809.0709532112. The cubic root of 949198853 is about 982.7711559634.

The spelling of 949198853 in words is "nine hundred forty-nine million, one hundred ninety-eight thousand, eight hundred fifty-three".