1813455341 has 2 divisors, whose sum is σ = 1813455342. Its totient is φ = 1813455340.

The previous prime is 1813455317. The next prime is 1813455353. The reversal of 1813455341 is 1435543181.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790136100 + 23319241 = 42310^2 + 4829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1813455341 - 2⁶ = 1813455277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1813415341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906727670 + 906727671.

It is an arithmetic number, because the mean of its divisors is an integer number (906727671).

Almost surely, 2^1813455341 is an apocalyptic number.

It is an amenable number.

1813455341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1813455341 is an equidigital number, since it uses as much as digits as its factorization.

1813455341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 1813455341 is about 42584.6843477793. The cubic root of 1813455341 is about 1219.4639185997.

The spelling of 1813455341 in words is "one billion, eight hundred thirteen million, four hundred fifty-five thousand, three hundred forty-one".