69355396442 has 4 divisors (see below), whose sum is σ = 104033094666. Its totient is φ = 34677698220.

The previous prime is 69355396441. The next prime is 69355396463. The reversal of 69355396442 is 24469355396.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 45258733081 + 24096663361 = 212741^2 + 155231^2 .

It is not an unprimeable number, because it can be changed into a prime (69355396441) 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 as a sum of consecutive naturals, namely, 17338849109 + ... + 17338849112.

Almost surely, 2^69355396442 is an apocalyptic number.

69355396442 is a deficient number, since it is larger than the sum of its proper divisors (34677698224).

69355396442 is a wasteful number, since it uses less digits than its factorization.

69355396442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34677698223.

The product of its digits is 20995200, while the sum is 56.

The spelling of 69355396442 in words is "sixty-nine billion, three hundred fifty-five million, three hundred ninety-six thousand, four hundred forty-two".