1845420622263 has 12 divisors (see below), whose sum is σ = 2667647068008. Its totient is φ = 1229339106000.

The previous prime is 1845420622193. The next prime is 1845420622361. The reversal of 1845420622263 is 3622260245481.

It is a happy number.

1845420622263 is a `hidden beast` number, since 1 + 84 + 542 + 0 + 6 + 2 + 2 + 26 + 3 = 666.

It is not a de Polignac number, because 1845420622263 - 2¹⁷ = 1845420491191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845420622663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78429988 + ... + 78453513.

It is an arithmetic number, because the mean of its divisors is an integer number (222303922334).

Almost surely, 2^{1845420622263} is an apocalyptic number.

1845420622263 is a deficient number, since it is larger than the sum of its proper divisors (822226445745).

1845420622263 is a wasteful number, since it uses less digits than its factorization.

1845420622263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156884814 (or 156884811 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 1845420622263 in words is "one trillion, eight hundred forty-five billion, four hundred twenty million, six hundred twenty-two thousand, two hundred sixty-three".