69045863378 has 4 divisors (see below), whose sum is σ = 103568795070. Its totient is φ = 34522931688.

The previous prime is 69045863317. The next prime is 69045863437. The reversal of 69045863378 is 87336854096.

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., 60153939169 + 8891924209 = 245263^2 + 94297^2 .

It is a super-2 number, since 2×69045863378² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17261465843 + ... + 17261465846.

Almost surely, 2^69045863378 is an apocalyptic number.

69045863378 is a deficient number, since it is larger than the sum of its proper divisors (34522931692).

69045863378 is a wasteful number, since it uses less digits than its factorization.

69045863378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34522931691.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 69045863378 in words is "sixty-nine billion, forty-five million, eight hundred sixty-three thousand, three hundred seventy-eight".