2041021693 has 4 divisors (see below), whose sum is σ = 2041176928. Its totient is φ = 2040866460.

The previous prime is 2041021681. The next prime is 2041021733. The reversal of 2041021693 is 3961201402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2041021693 - 2¹³ = 2041013501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041021663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55863 + ... + 84868.

It is an arithmetic number, because the mean of its divisors is an integer number (510294232).

Almost surely, 2^2041021693 is an apocalyptic number.

It is an amenable number.

2041021693 is a deficient number, since it is larger than the sum of its proper divisors (155235).

2041021693 is a wasteful number, since it uses less digits than its factorization.

2041021693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155234.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2041021693 is about 45177.6680783770. The cubic root of 2041021693 is about 1268.4768341090.

The spelling of 2041021693 in words is "two billion, forty-one million, twenty-one thousand, six hundred ninety-three".