69423079445 has 6 divisors (see below), whose sum is σ = 83308402338. Its totient is φ = 55537992224.

The previous prime is 69423079441. The next prime is 69423079493. The reversal of 69423079445 is 54497032496.

It can be written as a sum of positive squares in 3 ways, for example, as 9413268484 + 60009810961 = 97022^2 + 244969^2 .

It is not a de Polignac number, because 69423079445 - 2² = 69423079441 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 (69423079441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530249 + ... + 648081.

It is an arithmetic number, because the mean of its divisors is an integer number (13884733723).

Almost surely, 2^69423079445 is an apocalyptic number.

It is an amenable number.

69423079445 is a deficient number, since it is larger than the sum of its proper divisors (13885322893).

69423079445 is an frugal number, since it uses more digits than its factorization.

69423079445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235671 (or 117838 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 69423079445 in words is "sixty-nine billion, four hundred twenty-three million, seventy-nine thousand, four hundred forty-five".