69454775273 has 4 divisors (see below), whose sum is σ = 74797450308. Its totient is φ = 64112100240.

The previous prime is 69454775263. The next prime is 69454775303. The reversal of 69454775273 is 37257745496.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5459436544 + 63995338729 = 73888^2 + 252973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69454775273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69454775263) 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, 2671337498 + ... + 2671337523.

It is an arithmetic number, because the mean of its divisors is an integer number (18699362577).

Almost surely, 2^69454775273 is an apocalyptic number.

It is an amenable number.

69454775273 is a deficient number, since it is larger than the sum of its proper divisors (5342675035).

69454775273 is a wasteful number, since it uses less digits than its factorization.

69454775273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342675034.

The product of its digits is 44452800, while the sum is 59.

The spelling of 69454775273 in words is "sixty-nine billion, four hundred fifty-four million, seven hundred seventy-five thousand, two hundred seventy-three".