12464566837 has 4 divisors (see below), whose sum is σ = 12650605216. Its totient is φ = 12278528460.

The previous prime is 12464566819. The next prime is 12464566859. The reversal of 12464566837 is 73866546421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12464566837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12464566337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93019089 + ... + 93019222.

It is an arithmetic number, because the mean of its divisors is an integer number (3162651304).

Almost surely, 2^12464566837 is an apocalyptic number.

It is an amenable number.

12464566837 is a deficient number, since it is larger than the sum of its proper divisors (186038379).

12464566837 is an equidigital number, since it uses as much as digits as its factorization.

12464566837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186038378.

The product of its digits is 5806080, while the sum is 52.

The spelling of 12464566837 in words is "twelve billion, four hundred sixty-four million, five hundred sixty-six thousand, eight hundred thirty-seven".