18628783311483 has 12 divisors (see below), whose sum is σ = 27836112994560. Its totient is φ = 11990940981936.

The previous prime is 18628783311473. The next prime is 18628783311497. The reversal of 18628783311483 is 38411338782681.

It is a happy number.

18628783311483 is a `hidden beast` number, since 1 + 8 + 6 + 287 + 8 + 331 + 14 + 8 + 3 = 666.

It is not a de Polignac number, because 18628783311483 - 2¹⁴ = 18628783295099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18628783311483.

It is not an unprimeable number, because it can be changed into a prime (18628783311473) 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, 35687324091 + ... + 35687324612.

It is an arithmetic number, because the mean of its divisors is an integer number (2319676082880).

Almost surely, 2^{18628783311483} is an apocalyptic number.

18628783311483 is a deficient number, since it is larger than the sum of its proper divisors (9207329683077).

18628783311483 is a wasteful number, since it uses less digits than its factorization.

18628783311483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71374648738 (or 71374648735 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The spelling of 18628783311483 in words is "eighteen trillion, six hundred twenty-eight billion, seven hundred eighty-three million, three hundred eleven thousand, four hundred eighty-three".