42150520513 has 4 divisors (see below), whose sum is σ = 42744189888. Its totient is φ = 41556851140.

The previous prime is 42150520499. The next prime is 42150520561. The reversal of 42150520513 is 31502505124.

42150520513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 42150520513 - 2⁵ = 42150520481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42150526513) 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, 296834581 + ... + 296834722.

It is an arithmetic number, because the mean of its divisors is an integer number (10686047472).

Almost surely, 2^42150520513 is an apocalyptic number.

It is an amenable number.

42150520513 is a deficient number, since it is larger than the sum of its proper divisors (593669375).

42150520513 is an equidigital number, since it uses as much as digits as its factorization.

42150520513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593669374.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 42150520513 in words is "forty-two billion, one hundred fifty million, five hundred twenty thousand, five hundred thirteen".