188949935248893 has 128 divisors (see below), whose sum is σ = 350216679142400. Its totient is φ = 98019534412800.

The previous prime is 188949935248891. The next prime is 188949935248901. The reversal of 188949935248893 is 398842539949881.

188949935248893 is a `hidden beast` number, since 1 + 8 + 8 + 9 + 4 + 9 + 9 + 35 + 2 + 488 + 93 = 666.

It is not a de Polignac number, because 188949935248893 - 2¹ = 188949935248891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188949935248891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1239256683 + ... + 1239409143.

It is an arithmetic number, because the mean of its divisors is an integer number (2736067805800).

Almost surely, 2^{188949935248893} is an apocalyptic number.

188949935248893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

188949935248893 is a deficient number, since it is larger than the sum of its proper divisors (161266743893507).

188949935248893 is a wasteful number, since it uses less digits than its factorization.

188949935248893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160820 (or 160814 counting only the distinct ones).

The product of its digits is 38698352640, while the sum is 90.

The spelling of 188949935248893 in words is "one hundred eighty-eight trillion, nine hundred forty-nine billion, nine hundred thirty-five million, two hundred forty-eight thousand, eight hundred ninety-three".