69452538479 has 4 divisors (see below), whose sum is σ = 69458540976. Its totient is φ = 69446535984.

The previous prime is 69452538443. The next prime is 69452538481. The reversal of 69452538479 is 97483525496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69452538479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69452538979) 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, 2983859 + ... + 3007044.

It is an arithmetic number, because the mean of its divisors is an integer number (17364635244).

Almost surely, 2^69452538479 is an apocalyptic number.

69452538479 is a deficient number, since it is larger than the sum of its proper divisors (6002497).

69452538479 is a wasteful number, since it uses less digits than its factorization.

69452538479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002496.

The product of its digits is 65318400, while the sum is 62.

The spelling of 69452538479 in words is "sixty-nine billion, four hundred fifty-two million, five hundred thirty-eight thousand, four hundred seventy-nine".