2018938147 has 4 divisors (see below), whose sum is σ = 2084065216. Its totient is φ = 1953811080.

The previous prime is 2018938133. The next prime is 2018938171. The reversal of 2018938147 is 7418398102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2018938147 is a prime.

It is a super-2 number, since 2×2018938147² = 8152222482823587218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018938247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32563488 + ... + 32563549.

It is an arithmetic number, because the mean of its divisors is an integer number (521016304).

Almost surely, 2^2018938147 is an apocalyptic number.

2018938147 is a deficient number, since it is larger than the sum of its proper divisors (65127069).

2018938147 is an equidigital number, since it uses as much as digits as its factorization.

2018938147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65127068.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 2018938147 is about 44932.5955960703. The cubic root of 2018938147 is about 1263.8853251047.

The spelling of 2018938147 in words is "two billion, eighteen million, nine hundred thirty-eight thousand, one hundred forty-seven".