12935499894 has 48 divisors (see below), whose sum is σ = 28841978880. Its totient is φ = 4187841840.

The previous prime is 12935499853. The next prime is 12935499923. The reversal of 12935499894 is 49899453921.

12935499894 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 549 + 9 + 89 + 4 = 666.

It is a super-2 number, since 2×12935499894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 52467 + ... + 169185.

It is an arithmetic number, because the mean of its divisors is an integer number (600874560).

Almost surely, 2^12935499894 is an apocalyptic number.

12935499894 is an abundant number, since it is smaller than the sum of its proper divisors (15906478986).

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

12935499894 is a wasteful number, since it uses less digits than its factorization.

12935499894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116905 (or 116902 counting only the distinct ones).

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

The spelling of 12935499894 in words is "twelve billion, nine hundred thirty-five million, four hundred ninety-nine thousand, eight hundred ninety-four".