199264462991 has 16 divisors (see below), whose sum is σ = 225051812640. Its totient is φ = 174765655680.

The previous prime is 199264462981. The next prime is 199264463009.

199264462991 is nontrivially palindromic in base 10.

199264462991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 199264462991 - 2⁶ = 199264462927 is a prime.

It is a super-2 number, since 2×199264462991² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199264462981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162785 + ... + 651941.

It is an arithmetic number, because the mean of its divisors is an integer number (14065738290).

Almost surely, 2^199264462991 is an apocalyptic number.

199264462991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

199264462991 is a deficient number, since it is larger than the sum of its proper divisors (25787349649).

199264462991 is a wasteful number, since it uses less digits than its factorization.

199264462991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490474.

The product of its digits is 15116544, while the sum is 62.

The spelling of 199264462991 in words is "one hundred ninety-nine billion, two hundred sixty-four million, four hundred sixty-two thousand, nine hundred ninety-one".