888464198249 has 4 divisors (see below), whose sum is σ = 940726798164. Its totient is φ = 836201598336.

The previous prime is 888464198243. The next prime is 888464198261. The reversal of 888464198249 is 942891464888.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 493024452649 + 395439745600 = 702157^2 + 628840^2 .

It is a cyclic number.

It is not a de Polignac number, because 888464198249 - 2³² = 884169230953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (888464198243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26131299932 + ... + 26131299965.

It is an arithmetic number, because the mean of its divisors is an integer number (235181699541).

Almost surely, 2^888464198249 is an apocalyptic number.

It is an amenable number.

888464198249 is a deficient number, since it is larger than the sum of its proper divisors (52262599915).

888464198249 is a wasteful number, since it uses less digits than its factorization.

888464198249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52262599914.

The product of its digits is 254803968, while the sum is 71.

The spelling of 888464198249 in words is "eight hundred eighty-eight billion, four hundred sixty-four million, one hundred ninety-eight thousand, two hundred forty-nine".