2465622647849 has 4 divisors (see below), whose sum is σ = 2466095992020. Its totient is φ = 2465149303680.

The previous prime is 2465622647821. The next prime is 2465622647861. The reversal of 2465622647849 is 9487462265642.

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 2192673869824 + 272948778025 = 1480768^2 + 522445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2465622647849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2465622647819) 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, 236664272 + ... + 236674689.

It is an arithmetic number, because the mean of its divisors is an integer number (616523998005).

Almost surely, 2^{2465622647849} is an apocalyptic number.

It is an amenable number.

2465622647849 is a deficient number, since it is larger than the sum of its proper divisors (473344171).

2465622647849 is an equidigital number, since it uses as much as digits as its factorization.

2465622647849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473344170.

The product of its digits is 278691840, while the sum is 65.

The spelling of 2465622647849 in words is "two trillion, four hundred sixty-five billion, six hundred twenty-two million, six hundred forty-seven thousand, eight hundred forty-nine".