199289093454 has 48 divisors (see below), whose sum is σ = 486242025984. Its totient is φ = 58442547600.

The previous prime is 199289093453. The next prime is 199289093473. The reversal of 199289093454 is 454390982991.

199289093454 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 8 + 90 + 93 + 454 = 666.

It is a super-2 number, since 2×199289093454² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 199289093391 and 199289093400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199289093453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16227904 + ... + 16240179.

It is an arithmetic number, because the mean of its divisors is an integer number (10130042208).

Almost surely, 2^199289093454 is an apocalyptic number.

199289093454 is an abundant number, since it is smaller than the sum of its proper divisors (286952932530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199289093454 is a wasteful number, since it uses less digits than its factorization.

199289093454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32468133 (or 32468130 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 199289093454 in words is "one hundred ninety-nine billion, two hundred eighty-nine million, ninety-three thousand, four hundred fifty-four".