2466891457249 has 4 divisors (see below), whose sum is σ = 2466898644420. Its totient is φ = 2466884270080.

The previous prime is 2466891457229. The next prime is 2466891457271. The reversal of 2466891457249 is 9427541986642.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 693913990225 + 1772977467024 = 833015^2 + 1331532^2 .

It is a cyclic number.

It is not a de Polignac number, because 2466891457249 - 2²⁷ = 2466757239521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2466891457229) 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, 3051472 + ... + 3774289.

It is an arithmetic number, because the mean of its divisors is an integer number (616724661105).

Almost surely, 2^{2466891457249} is an apocalyptic number.

It is an amenable number.

2466891457249 is a deficient number, since it is larger than the sum of its proper divisors (7187171).

2466891457249 is an equidigital number, since it uses as much as digits as its factorization.

2466891457249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187170.

The product of its digits is 209018880, while the sum is 67.

The spelling of 2466891457249 in words is "two trillion, four hundred sixty-six billion, eight hundred ninety-one million, four hundred fifty-seven thousand, two hundred forty-nine".