18435797552 has 10 divisors (see below), whose sum is σ = 35719357788. Its totient is φ = 9217898768.

The previous prime is 18435797551. The next prime is 18435797573. The reversal of 18435797552 is 25579753481.

It is not an unprimeable number, because it can be changed into a prime (18435797551) 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 as a sum of consecutive naturals, namely, 576118658 + ... + 576118689.

Almost surely, 2^18435797552 is an apocalyptic number.

It is an amenable number.

18435797552 is a deficient number, since it is larger than the sum of its proper divisors (17283560236).

18435797552 is a wasteful number, since it uses less digits than its factorization.

18435797552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152237355 (or 1152237349 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 56.

The spelling of 18435797552 in words is "eighteen billion, four hundred thirty-five million, seven hundred ninety-seven thousand, five hundred fifty-two".