1789248242 has 4 divisors (see below), whose sum is σ = 2683872366. Its totient is φ = 894624120.

The previous prime is 1789248211. The next prime is 1789248247. The reversal of 1789248242 is 2428429871.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2428429871 = 7 ⋅346918553.

It can be written as a sum of positive squares in only one way, i.e., 1112155801 + 677092441 = 33349^2 + 26021^2 .

It is a super-3 number, since 3×1789248242³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1789248247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447312059 + ... + 447312062.

Almost surely, 2^1789248242 is an apocalyptic number.

1789248242 is a deficient number, since it is larger than the sum of its proper divisors (894624124).

1789248242 is an equidigital number, since it uses as much as digits as its factorization.

1789248242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894624123.

The product of its digits is 516096, while the sum is 47.

The square root of 1789248242 is about 42299.5064037395. The cubic root of 1789248242 is about 1214.0135471783.

The spelling of 1789248242 in words is "one billion, seven hundred eighty-nine million, two hundred forty-eight thousand, two hundred forty-two".