2042099979 has 8 divisors (see below), whose sum is σ = 2725300032. Its totient is φ = 1360149960.

The previous prime is 2042099957. The next prime is 2042099987. The reversal of 2042099979 is 9799902402.

It is a happy number.

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

It is not a de Polignac number, because 2042099979 - 2¹¹ = 2042097931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042099909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308689 + ... + 315234.

It is an arithmetic number, because the mean of its divisors is an integer number (340662504).

Almost surely, 2^2042099979 is an apocalyptic number.

2042099979 is a deficient number, since it is larger than the sum of its proper divisors (683200053).

2042099979 is a wasteful number, since it uses less digits than its factorization.

2042099979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625017.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 2042099979 is about 45189.6003412290. The cubic root of 2042099979 is about 1268.7001765029.

The spelling of 2042099979 in words is "two billion, forty-two million, ninety-nine thousand, nine hundred seventy-nine".