42506363051 has 4 divisors (see below), whose sum is σ = 43655183712. Its totient is φ = 41357542392.

The previous prime is 42506363023. The next prime is 42506363071. The reversal of 42506363051 is 15036360524.

42506363051 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.

It is a de Polignac number, because none of the positive numbers 2^k-42506363051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42506363071) 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, 574410275 + ... + 574410348.

It is an arithmetic number, because the mean of its divisors is an integer number (10913795928).

Almost surely, 2^42506363051 is an apocalyptic number.

42506363051 is a deficient number, since it is larger than the sum of its proper divisors (1148820661).

42506363051 is a wasteful number, since it uses less digits than its factorization.

42506363051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148820660.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 42506363051 in words is "forty-two billion, five hundred six million, three hundred sixty-three thousand, fifty-one".