18850463761 has 4 divisors (see below), whose sum is σ = 18852746752. Its totient is φ = 18848180772.

The previous prime is 18850463693. The next prime is 18850463773. The reversal of 18850463761 is 16736405881.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18850463761 - 2⁷ = 18850463633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18850463561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129065 + ... + 1145638.

It is an arithmetic number, because the mean of its divisors is an integer number (4713186688).

Almost surely, 2^18850463761 is an apocalyptic number.

It is an amenable number.

18850463761 is a deficient number, since it is larger than the sum of its proper divisors (2282991).

18850463761 is an equidigital number, since it uses as much as digits as its factorization.

18850463761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282990.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 18850463761 in words is "eighteen billion, eight hundred fifty million, four hundred sixty-three thousand, seven hundred sixty-one".