463128991867 has 2 divisors, whose sum is σ = 463128991868. Its totient is φ = 463128991866.

The previous prime is 463128991849. The next prime is 463128991883. The reversal of 463128991867 is 768199821364.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 463128991867 - 2²⁷ = 462994774139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 463128991799 and 463128991808.

It is not a weakly prime, because it can be changed into another prime (463128991817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231564495933 + 231564495934.

It is an arithmetic number, because the mean of its divisors is an integer number (231564495934).

Almost surely, 2^463128991867 is an apocalyptic number.

463128991867 is a deficient number, since it is larger than the sum of its proper divisors (1).

463128991867 is an equidigital number, since it uses as much as digits as its factorization.

463128991867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 64.

The spelling of 463128991867 in words is "four hundred sixty-three billion, one hundred twenty-eight million, nine hundred ninety-one thousand, eight hundred sixty-seven".