2069201905 has 8 divisors (see below), whose sum is σ = 2490412392. Its totient is φ = 1650448128.

The previous prime is 2069201887. The next prime is 2069201909. The reversal of 2069201905 is 5091029602.

It can be written as a sum of positive squares in 4 ways, for example, as 9585216 + 2059616689 = 3096^2 + 45383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2069201905 - 2²³ = 2060813297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2069201909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612322 + ... + 615691.

It is an arithmetic number, because the mean of its divisors is an integer number (311301549).

Almost surely, 2^2069201905 is an apocalyptic number.

It is an amenable number.

2069201905 is a deficient number, since it is larger than the sum of its proper divisors (421210487).

2069201905 is a wasteful number, since it uses less digits than its factorization.

2069201905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228355.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 2069201905 is about 45488.4810144283. The cubic root of 2069201905 is about 1274.2880875103.

The spelling of 2069201905 in words is "two billion, sixty-nine million, two hundred one thousand, nine hundred five".