2074945178090 has 8 divisors (see below), whose sum is σ = 3734901320580. Its totient is φ = 829978071232.

The previous prime is 2074945178039. The next prime is 2074945178093. The reversal of 2074945178090 is 908715494702.

It is a happy number.

It is a Cunningham number, because it is equal to 1440467²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2074945178089 + 1 = 1440467^2 + 1^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2074945178093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103747258895 + ... + 103747258914.

Almost surely, 2^{2074945178090} is an apocalyptic number.

2074945178090 is a deficient number, since it is larger than the sum of its proper divisors (1659956142490).

2074945178090 is a wasteful number, since it uses less digits than its factorization.

2074945178090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207494517816.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 2074945178090 in words is "two trillion, seventy-four billion, nine hundred forty-five million, one hundred seventy-eight thousand, ninety".