2059668542 has 4 divisors (see below), whose sum is σ = 3089502816. Its totient is φ = 1029834270.

The previous prime is 2059668493. The next prime is 2059668547. The reversal of 2059668542 is 2458669502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2059668547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514917134 + ... + 514917137.

It is an arithmetic number, because the mean of its divisors is an integer number (772375704).

Almost surely, 2^2059668542 is an apocalyptic number.

2059668542 is a deficient number, since it is larger than the sum of its proper divisors (1029834274).

2059668542 is a wasteful number, since it uses less digits than its factorization.

2059668542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029834273.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 2059668542 is about 45383.5712786026. The cubic root of 2059668542 is about 1272.3280797224.

The spelling of 2059668542 in words is "two billion, fifty-nine million, six hundred sixty-eight thousand, five hundred forty-two".