2064520969 has 9 divisors (see below), whose sum is σ = 2401955661. Its totient is φ = 1769316780.

The previous prime is 2064520949. The next prime is 2064520973. The reversal of 2064520969 is 9690254602.

The square root of 2064520969 is 45437.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2064520969 - 2¹⁵ = 2064488201 is a prime.

It is a super-2 number, since 2×2064520969² = 8524493662881397922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2064520949) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 314814 + ... + 321304.

Almost surely, 2^2064520969 is an apocalyptic number.

2064520969 is the 45437-th square number.

2064520969 is the 22719-th centered octagonal number.

It is an amenable number.

2064520969 is a deficient number, since it is larger than the sum of its proper divisors (337434692).

2064520969 is an frugal number, since it uses more digits than its factorization.

2064520969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12996 (or 6498 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The cubic root of 2064520969 is about 1273.3264664265.

It can be divided in two parts, 20645 and 20969, that added together give a palindrome (41614).

The spelling of 2064520969 in words is "two billion, sixty-four million, five hundred twenty thousand, nine hundred sixty-nine".