2064256961 has 8 divisors (see below), whose sum is σ = 2232842304. Its totient is φ = 1897071120.

The previous prime is 2064256937. The next prime is 2064257003. The reversal of 2064256961 is 1696524602.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2064256961 is a prime.

It is a super-2 number, since 2×2064256961² = 8522313602073911042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2064256361) 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, 346805 + ... + 352706.

It is an arithmetic number, because the mean of its divisors is an integer number (279105288).

Almost surely, 2^2064256961 is an apocalyptic number.

It is an amenable number.

2064256961 is a deficient number, since it is larger than the sum of its proper divisors (168585343).

2064256961 is a wasteful number, since it uses less digits than its factorization.

2064256961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699751.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2064256961 is about 45434.0946977047. The cubic root of 2064256961 is about 1273.2721870546.

The spelling of 2064256961 in words is "two billion, sixty-four million, two hundred fifty-six thousand, nine hundred sixty-one".