18614795971 has 2 divisors, whose sum is σ = 18614795972. Its totient is φ = 18614795970.

The previous prime is 18614795963. The next prime is 18614795981. The reversal of 18614795971 is 17959741681.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18614795971 - 2³ = 18614795963 is a prime.

It is not a weakly prime, because it can be changed into another prime (18614795911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9307397985 + 9307397986.

It is an arithmetic number, because the mean of its divisors is an integer number (9307397986).

Almost surely, 2^18614795971 is an apocalyptic number.

18614795971 is a deficient number, since it is larger than the sum of its proper divisors (1).

18614795971 is an equidigital number, since it uses as much as digits as its factorization.

18614795971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 58.

The spelling of 18614795971 in words is "eighteen billion, six hundred fourteen million, seven hundred ninety-five thousand, nine hundred seventy-one".