18454023151 has 2 divisors, whose sum is σ = 18454023152. Its totient is φ = 18454023150.

The previous prime is 18454023121. The next prime is 18454023157. The reversal of 18454023151 is 15132045481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18454023151 - 2¹³ = 18454014959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18454023157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9227011575 + 9227011576.

It is an arithmetic number, because the mean of its divisors is an integer number (9227011576).

Almost surely, 2^18454023151 is an apocalyptic number.

18454023151 is a deficient number, since it is larger than the sum of its proper divisors (1).

18454023151 is an equidigital number, since it uses as much as digits as its factorization.

18454023151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 18454023151 in words is "eighteen billion, four hundred fifty-four million, twenty-three thousand, one hundred fifty-one".