2445564346 has 4 divisors (see below), whose sum is σ = 3668346522. Its totient is φ = 1222782172.

The previous prime is 2445564343. The next prime is 2445564349. The reversal of 2445564346 is 6434655442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6434655442 = 2 ⋅3217327721.

It is an interprime number because it is at equal distance from previous prime (2445564343) and next prime (2445564349).

It can be written as a sum of positive squares in only one way, i.e., 2351183121 + 94381225 = 48489^2 + 9715^2 .

It is not an unprimeable number, because it can be changed into a prime (2445564343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611391085 + ... + 611391088.

Almost surely, 2^2445564346 is an apocalyptic number.

2445564346 is a deficient number, since it is larger than the sum of its proper divisors (1222782176).

2445564346 is a wasteful number, since it uses less digits than its factorization.

2445564346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222782175.

The product of its digits is 1382400, while the sum is 43.

The square root of 2445564346 is about 49452.6475125448. The cubic root of 2445564346 is about 1347.2856932382.

The spelling of 2445564346 in words is "two billion, four hundred forty-five million, five hundred sixty-four thousand, three hundred forty-six".