1845840342403 has 2 divisors, whose sum is σ = 1845840342404. Its totient is φ = 1845840342402.

The previous prime is 1845840342397. The next prime is 1845840342487. The reversal of 1845840342403 is 3042430485481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1845840342403 - 2²⁵ = 1845806787971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1845840346403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 922920171201 + 922920171202.

It is an arithmetic number, because the mean of its divisors is an integer number (922920171202).

Almost surely, 2^{1845840342403} is an apocalyptic number.

1845840342403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1845840342403 is an equidigital number, since it uses as much as digits as its factorization.

1845840342403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 46.

The spelling of 1845840342403 in words is "one trillion, eight hundred forty-five billion, eight hundred forty million, three hundred forty-two thousand, four hundred three".