2042063661 has 48 divisors (see below), whose sum is σ = 3074575680. Its totient is φ = 1195499520.

The previous prime is 2042063657. The next prime is 2042063663. The reversal of 2042063661 is 1663602402.

It is not a de Polignac number, because 2042063661 - 2² = 2042063657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042063663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7945645 + ... + 7945901.

It is an arithmetic number, because the mean of its divisors is an integer number (64053660).

Almost surely, 2^2042063661 is an apocalyptic number.

It is an amenable number.

2042063661 is a deficient number, since it is larger than the sum of its proper divisors (1032512019).

2042063661 is a wasteful number, since it uses less digits than its factorization.

2042063661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2042063661 is about 45189.1984991989. The cubic root of 2042063661 is about 1268.6926553357.

The spelling of 2042063661 in words is "two billion, forty-two million, sixty-three thousand, six hundred sixty-one".