1842304381551 has 32 divisors (see below), whose sum is σ = 2751071232000. Its totient is φ = 1218425483520.

The previous prime is 1842304381513. The next prime is 1842304381583. The reversal of 1842304381551 is 1551834032481.

1842304381551 is a `hidden beast` number, since 18 + 4 + 2 + 3 + 0 + 4 + 3 + 81 + 551 = 666.

It is not a de Polignac number, because 1842304381551 - 2⁹ = 1842304381039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1842304381497 and 1842304381506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842304381051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67472500 + ... + 67499798.

It is an arithmetic number, because the mean of its divisors is an integer number (85970976000).

Almost surely, 2^{1842304381551} is an apocalyptic number.

1842304381551 is a deficient number, since it is larger than the sum of its proper divisors (908766850449).

1842304381551 is a wasteful number, since it uses less digits than its factorization.

1842304381551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47116 (or 47110 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 1842304381551 in words is "one trillion, eight hundred forty-two billion, three hundred four million, three hundred eighty-one thousand, five hundred fifty-one".