42003233645 has 16 divisors (see below), whose sum is σ = 51302899200. Its totient is φ = 33006118464.

The previous prime is 42003233609. The next prime is 42003233663. The reversal of 42003233645 is 54633230024.

It is a cyclic number.

It is not a de Polignac number, because 42003233645 - 2¹⁴ = 42003217261 is a prime.

It is a super-3 number, since 3×42003233645³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62717 + ... + 296546.

It is an arithmetic number, because the mean of its divisors is an integer number (3206431200).

Almost surely, 2^42003233645 is an apocalyptic number.

It is an amenable number.

42003233645 is a deficient number, since it is larger than the sum of its proper divisors (9299665555).

42003233645 is a wasteful number, since it uses less digits than its factorization.

42003233645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359684.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 42003233645 its reverse (54633230024), we get a palindrome (96636463669).

The spelling of 42003233645 in words is "forty-two billion, three million, two hundred thirty-three thousand, six hundred forty-five".