2069693645 has 32 divisors (see below), whose sum is σ = 2695223808. Its totient is φ = 1519787008.

The previous prime is 2069693629. The next prime is 2069693671. The reversal of 2069693645 is 5463969602.

It is a cyclic number.

It is not a de Polignac number, because 2069693645 - 2⁴ = 2069693629 is a prime.

It is a super-3 number, since 3×2069693645³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2069693593 and 2069693602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1385519 + ... + 1387011.

It is an arithmetic number, because the mean of its divisors is an integer number (84225744).

Almost surely, 2^2069693645 is an apocalyptic number.

It is an amenable number.

2069693645 is a deficient number, since it is larger than the sum of its proper divisors (625530163).

2069693645 is a wasteful number, since it uses less digits than its factorization.

2069693645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The square root of 2069693645 is about 45493.8857979839. The cubic root of 2069693645 is about 1274.3890231723.

The spelling of 2069693645 in words is "two billion, sixty-nine million, six hundred ninety-three thousand, six hundred forty-five".