18783090463 has 2 divisors, whose sum is σ = 18783090464. Its totient is φ = 18783090462.

The previous prime is 18783090439. The next prime is 18783090467. The reversal of 18783090463 is 36409038781.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18783090463 - 2⁹ = 18783089951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18783090467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9391545231 + 9391545232.

It is an arithmetic number, because the mean of its divisors is an integer number (9391545232).

Almost surely, 2^18783090463 is an apocalyptic number.

18783090463 is a deficient number, since it is larger than the sum of its proper divisors (1).

18783090463 is an equidigital number, since it uses as much as digits as its factorization.

18783090463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 18783090463 in words is "eighteen billion, seven hundred eighty-three million, ninety thousand, four hundred sixty-three".