42502349473 has 4 divisors (see below), whose sum is σ = 42525362880. Its totient is φ = 42479336068.

The previous prime is 42502349471. The next prime is 42502349503. The reversal of 42502349473 is 37494320524.

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 42502349473 - 2¹ = 42502349471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42502349471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11503933 + ... + 11507626.

It is an arithmetic number, because the mean of its divisors is an integer number (10631340720).

Almost surely, 2^42502349473 is an apocalyptic number.

It is an amenable number.

42502349473 is a deficient number, since it is larger than the sum of its proper divisors (23013407).

42502349473 is a wasteful number, since it uses less digits than its factorization.

42502349473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23013406.

The product of its (nonzero) digits is 725760, while the sum is 43.

Adding to 42502349473 its reverse (37494320524), we get a palindrome (79996669997).

The spelling of 42502349473 in words is "forty-two billion, five hundred two million, three hundred forty-nine thousand, four hundred seventy-three".