2018404357 has 2 divisors, whose sum is σ = 2018404358. Its totient is φ = 2018404356.

The previous prime is 2018404351. The next prime is 2018404361. The reversal of 2018404357 is 7534048102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1148803236 + 869601121 = 33894^2 + 29489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2018404357 is a prime.

It is a super-2 number, since 2×2018404357² = 8147912296713166898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018404351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009202178 + 1009202179.

It is an arithmetic number, because the mean of its divisors is an integer number (1009202179).

Almost surely, 2^2018404357 is an apocalyptic number.

It is an amenable number.

2018404357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018404357 is an equidigital number, since it uses as much as digits as its factorization.

2018404357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2018404357 is about 44926.6553061765. The cubic root of 2018404357 is about 1263.7739284588.

The spelling of 2018404357 in words is "two billion, eighteen million, four hundred four thousand, three hundred fifty-seven".