2018697329 has 24 divisors (see below), whose sum is σ = 2283531264. Its totient is φ = 1782334400.

The previous prime is 2018697299. The next prime is 2018697353. The reversal of 2018697329 is 9237968102.

It is a happy number.

It is not a de Polignac number, because 2018697329 - 2⁸ = 2018697073 is a prime.

It is a super-2 number, since 2×2018697329² = 8150277812223468482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2018697379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777824 + ... + 780414.

It is an arithmetic number, because the mean of its divisors is an integer number (95147136).

Almost surely, 2^2018697329 is an apocalyptic number.

It is an amenable number.

2018697329 is a deficient number, since it is larger than the sum of its proper divisors (264833935).

2018697329 is a wasteful number, since it uses less digits than its factorization.

2018697329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2786 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2018697329 is about 44929.9157466381. The cubic root of 2018697329 is about 1263.8350712226.

The spelling of 2018697329 in words is "two billion, eighteen million, six hundred ninety-seven thousand, three hundred twenty-nine".