2445356813 has 2 divisors, whose sum is σ = 2445356814. Its totient is φ = 2445356812.

The previous prime is 2445356801. The next prime is 2445356909. The reversal of 2445356813 is 3186535442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2078174569 + 367182244 = 45587^2 + 19162^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445356813 - 2¹² = 2445352717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2445356213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222678406 + 1222678407.

It is an arithmetic number, because the mean of its divisors is an integer number (1222678407).

Almost surely, 2^2445356813 is an apocalyptic number.

It is an amenable number.

2445356813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445356813 is an equidigital number, since it uses as much as digits as its factorization.

2445356813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The square root of 2445356813 is about 49450.5491678303. The cubic root of 2445356813 is about 1347.2475814963.

The spelling of 2445356813 in words is "two billion, four hundred forty-five million, three hundred fifty-six thousand, eight hundred thirteen".