1863773802 has 48 divisors (see below), whose sum is σ = 4637149920. Its totient is φ = 535053600.

The previous prime is 1863773797. The next prime is 1863773819. The reversal of 1863773802 is 2083773681.

1863773802 is a `hidden beast` number, since 1 + 8 + 637 + 7 + 3 + 8 + 0 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243949 + ... + 251472.

It is an arithmetic number, because the mean of its divisors is an integer number (96607290).

Almost surely, 2^1863773802 is an apocalyptic number.

1863773802 is an abundant number, since it is smaller than the sum of its proper divisors (2773376118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1863773802 is a wasteful number, since it uses less digits than its factorization.

1863773802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495459 (or 495456 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1863773802 is about 43171.4466053664. The cubic root of 1863773802 is about 1230.6401149604.

The spelling of 1863773802 in words is "one billion, eight hundred sixty-three million, seven hundred seventy-three thousand, eight hundred two".