69045763909 has 4 divisors (see below), whose sum is σ = 70177661740. Its totient is φ = 67913866080.

The previous prime is 69045763907. The next prime is 69045763931. The reversal of 69045763909 is 90936754096.

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 2869744900 + 66176019009 = 53570^2 + 257247^2 .

It is a cyclic number.

It is not a de Polignac number, because 69045763909 - 2¹ = 69045763907 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 (69045763907) 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, 565948824 + ... + 565948945.

It is an arithmetic number, because the mean of its divisors is an integer number (17544415435).

Almost surely, 2^69045763909 is an apocalyptic number.

It is an amenable number.

69045763909 is a deficient number, since it is larger than the sum of its proper divisors (1131897831).

69045763909 is a wasteful number, since it uses less digits than its factorization.

69045763909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131897830.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 69045763909 in words is "sixty-nine billion, forty-five million, seven hundred sixty-three thousand, nine hundred nine".