2090642474 has 8 divisors (see below), whose sum is σ = 3178922340. Its totient is φ = 1031001696.

The previous prime is 2090642471. The next prime is 2090642483. The reversal of 2090642474 is 4742460902.

It can be written as a sum of positive squares in 2 ways, for example, as 1967543449 + 123099025 = 44357^2 + 11095^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2090642471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7159589 + ... + 7159880.

Almost surely, 2^2090642474 is an apocalyptic number.

2090642474 is a deficient number, since it is larger than the sum of its proper divisors (1088279866).

2090642474 is a wasteful number, since it uses less digits than its factorization.

2090642474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14319544.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 2090642474 is about 45723.5439790050. The cubic root of 2090642474 is about 1278.6742609064.

The spelling of 2090642474 in words is "two billion, ninety million, six hundred forty-two thousand, four hundred seventy-four".