42504213669 has 4 divisors (see below), whose sum is σ = 56672284896. Its totient is φ = 28336142444.

The previous prime is 42504213667. The next prime is 42504213679. The reversal of 42504213669 is 96631240524.

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 42504213669 - 2¹ = 42504213667 is a prime.

It is a super-2 number, since 2×42504213669² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42504213669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504213667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7084035609 + ... + 7084035614.

It is an arithmetic number, because the mean of its divisors is an integer number (14168071224).

Almost surely, 2^42504213669 is an apocalyptic number.

It is an amenable number.

42504213669 is a deficient number, since it is larger than the sum of its proper divisors (14168071227).

42504213669 is a wasteful number, since it uses less digits than its factorization.

42504213669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14168071226.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 42504213669 in words is "forty-two billion, five hundred four million, two hundred thirteen thousand, six hundred sixty-nine".