12461989737 has 16 divisors (see below), whose sum is σ = 16953535872. Its totient is φ = 8140915200.

The previous prime is 12461989679. The next prime is 12461989747. The reversal of 12461989737 is 73798916421.

It is a happy number.

It is not a de Polignac number, because 12461989737 - 2¹¹ = 12461987689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12461989747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182613 + ... + 241394.

It is an arithmetic number, because the mean of its divisors is an integer number (1059595992).

Almost surely, 2^12461989737 is an apocalyptic number.

It is an amenable number.

12461989737 is a deficient number, since it is larger than the sum of its proper divisors (4491546135).

12461989737 is a wasteful number, since it uses less digits than its factorization.

12461989737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424208.

The product of its digits is 4572288, while the sum is 57.

The spelling of 12461989737 in words is "twelve billion, four hundred sixty-one million, nine hundred eighty-nine thousand, seven hundred thirty-seven".