18001063354 has 4 divisors (see below), whose sum is σ = 27001595034. Its totient is φ = 9000531676.

The previous prime is 18001063331. The next prime is 18001063363. The reversal of 18001063354 is 45336010081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45336010081 = 47977 ⋅944953.

It can be written as a sum of positive squares in only one way, i.e., 15263367025 + 2737696329 = 123545^2 + 52323^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500265837 + ... + 4500265840.

Almost surely, 2^18001063354 is an apocalyptic number.

18001063354 is a deficient number, since it is larger than the sum of its proper divisors (9000531680).

18001063354 is an equidigital number, since it uses as much as digits as its factorization.

18001063354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000531679.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 18001063354 in words is "eighteen billion, one million, sixty-three thousand, three hundred fifty-four".