2074578189 has 8 divisors (see below), whose sum is σ = 2766315360. Its totient is φ = 1382946576.

The previous prime is 2074578169. The next prime is 2074578193. The reversal of 2074578189 is 9818754702.

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

It is not a de Polignac number, because 2074578189 - 2⁸ = 2074577933 is a prime.

It is a super-4 number, since 4×2074578189⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2074578109) 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, 58302 + ... + 86880.

It is an arithmetic number, because the mean of its divisors is an integer number (345789420).

Almost surely, 2^2074578189 is an apocalyptic number.

It is an amenable number.

2074578189 is a deficient number, since it is larger than the sum of its proper divisors (691737171).

2074578189 is a wasteful number, since it uses less digits than its factorization.

2074578189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52779.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The square root of 2074578189 is about 45547.5376831723. The cubic root of 2074578189 is about 1275.3907686505.

The spelling of 2074578189 in words is "two billion, seventy-four million, five hundred seventy-eight thousand, one hundred eighty-nine".