2064681953 has 4 divisors (see below), whose sum is σ = 2079535920. Its totient is φ = 2049827988.

The previous prime is 2064681929. The next prime is 2064681959. The reversal of 2064681953 is 3591864602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2064681953 - 2¹⁰ = 2064680929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064681959) 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, 7426775 + ... + 7427052.

It is an arithmetic number, because the mean of its divisors is an integer number (519883980).

Almost surely, 2^2064681953 is an apocalyptic number.

It is an amenable number.

2064681953 is a deficient number, since it is larger than the sum of its proper divisors (14853967).

2064681953 is a wasteful number, since it uses less digits than its factorization.

2064681953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14853966.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2064681953 is about 45438.7714732694. The cubic root of 2064681953 is about 1273.3595620555.

The spelling of 2064681953 in words is "two billion, sixty-four million, six hundred eighty-one thousand, nine hundred fifty-three".