1992742593 has 8 divisors (see below), whose sum is σ = 2718780768. Its totient is φ = 1297599744.

The previous prime is 1992742561. The next prime is 1992742597. The reversal of 1992742593 is 3952472991.

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

It is not a de Polignac number, because 1992742593 - 2⁵ = 1992742561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1992742597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7723680 + ... + 7723937.

It is an arithmetic number, because the mean of its divisors is an integer number (339847596).

Almost surely, 2^1992742593 is an apocalyptic number.

It is an amenable number.

1992742593 is a deficient number, since it is larger than the sum of its proper divisors (726038175).

1992742593 is a wasteful number, since it uses less digits than its factorization.

1992742593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15447663.

The product of its digits is 1224720, while the sum is 51.

The square root of 1992742593 is about 44640.1455306768. The cubic root of 1992742593 is about 1258.3952428623.

The spelling of 1992742593 in words is "one billion, nine hundred ninety-two million, seven hundred forty-two thousand, five hundred ninety-three".