2445673844649 has 8 divisors (see below), whose sum is σ = 3726741096640. Its totient is φ = 1397527911216.

The previous prime is 2445673844633. The next prime is 2445673844759. The reversal of 2445673844649 is 9464483765442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2445673844649 - 2⁴ = 2445673844633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2445673844649.

It is not an unprimeable number, because it can be changed into a prime (2445673848649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58230329614 + ... + 58230329655.

It is an arithmetic number, because the mean of its divisors is an integer number (465842637080).

Almost surely, 2^{2445673844649} is an apocalyptic number.

It is an amenable number.

2445673844649 is a deficient number, since it is larger than the sum of its proper divisors (1281067251991).

2445673844649 is a wasteful number, since it uses less digits than its factorization.

2445673844649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116460659279.

The product of its digits is 557383680, while the sum is 66.

The spelling of 2445673844649 in words is "two trillion, four hundred forty-five billion, six hundred seventy-three million, eight hundred forty-four thousand, six hundred forty-nine".