1018197119 has 2 divisors, whose sum is σ = 1018197120. Its totient is φ = 1018197118.

The previous prime is 1018197067. The next prime is 1018197149. The reversal of 1018197119 is 9117918101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1018197119 is a prime.

It is a super-2 number, since 2×1018197119² = 2073450746279800322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1018197149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509098559 + 509098560.

It is an arithmetic number, because the mean of its divisors is an integer number (509098560).

Almost surely, 2^1018197119 is an apocalyptic number.

1018197119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018197119 is an equidigital number, since it uses as much as digits as its factorization.

1018197119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 38.

The square root of 1018197119 is about 31909.2011651812. The cubic root of 1018197119 is about 1006.0292810442.

The spelling of 1018197119 in words is "one billion, eighteen million, one hundred ninety-seven thousand, one hundred nineteen".