2190018469 has 8 divisors (see below), whose sum is σ = 2221503680. Its totient is φ = 2158573536.

The previous prime is 2190018437. The next prime is 2190018521. The reversal of 2190018469 is 9648100912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2190018469 - 2⁵ = 2190018437 is a prime.

It is a super-2 number, since 2×2190018469² = 9592361789122207922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190018409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109552 + ... + 127990.

It is an arithmetic number, because the mean of its divisors is an integer number (277687960).

Almost surely, 2^2190018469 is an apocalyptic number.

It is an amenable number.

2190018469 is a deficient number, since it is larger than the sum of its proper divisors (31485211).

2190018469 is a wasteful number, since it uses less digits than its factorization.

2190018469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20139.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 2190018469 is about 46797.6331559621. The cubic root of 2190018469 is about 1298.6215109891.

The spelling of 2190018469 in words is "two billion, one hundred ninety million, eighteen thousand, four hundred sixty-nine".