42453552204433 has 12 divisors (see below), whose sum is σ = 43464452365188. Its totient is φ = 41465642104320.

The previous prime is 42453552204391. The next prime is 42453552204449. The reversal of 42453552204433 is 33440225535424.

It can be written as a sum of positive squares in 2 ways, for example, as 7711156948609 + 34742395255824 = 2776897^2 + 5894268^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42453552204433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42453552204533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169200513 + ... + 169451233.

It is an arithmetic number, because the mean of its divisors is an integer number (3622037697099).

Almost surely, 2^{42453552204433} is an apocalyptic number.

42453552204433 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42453552204433 is a deficient number, since it is larger than the sum of its proper divisors (1010900160755).

42453552204433 is an equidigital number, since it uses as much as digits as its factorization.

42453552204433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342384 (or 342341 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 46.

Adding to 42453552204433 its reverse (33440225535424), we get a palindrome (75893777739857).

The spelling of 42453552204433 in words is "forty-two trillion, four hundred fifty-three billion, five hundred fifty-two million, two hundred four thousand, four hundred thirty-three".