42513503133 has 4 divisors (see below), whose sum is σ = 56684670848. Its totient is φ = 28342335420.

The previous prime is 42513503129. The next prime is 42513503141. The reversal of 42513503133 is 33130531524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42513503133 - 2² = 42513503129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42513503133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42513503033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7085583853 + ... + 7085583858.

It is an arithmetic number, because the mean of its divisors is an integer number (14171167712).

Almost surely, 2^42513503133 is an apocalyptic number.

It is an amenable number.

42513503133 is a deficient number, since it is larger than the sum of its proper divisors (14171167715).

42513503133 is a wasteful number, since it uses less digits than its factorization.

42513503133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14171167714.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 42513503133 in words is "forty-two billion, five hundred thirteen million, five hundred three thousand, one hundred thirty-three".