2042251066 has 8 divisors (see below), whose sum is σ = 3105340884. Its totient is φ = 1007137440.

The previous prime is 2042251051. The next prime is 2042251069. The reversal of 2042251066 is 6601522402.

It can be written as a sum of positive squares in 2 ways, for example, as 2023110441 + 19140625 = 44979^2 + 4375^2 .

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 (2042251069) 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, 6993865 + ... + 6994156.

Almost surely, 2^2042251066 is an apocalyptic number.

2042251066 is a deficient number, since it is larger than the sum of its proper divisors (1063089818).

2042251066 is a wasteful number, since it uses less digits than its factorization.

2042251066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13988096.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2042251066 is about 45191.2720113077. The cubic root of 2042251066 is about 1268.7314644546.

Adding to 2042251066 its reverse (6601522402), we get a palindrome (8643773468).

The spelling of 2042251066 in words is "two billion, forty-two million, two hundred fifty-one thousand, sixty-six".