2064861696 has 40 divisors (see below), whose sum is σ = 5500924704. Its totient is φ = 688286720.

The previous prime is 2064861691. The next prime is 2064861697. The reversal of 2064861696 is 6961684602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2064861691) 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, 670620 + ... + 673691.

Almost surely, 2^2064861696 is an apocalyptic number.

It is an amenable number.

2064861696 is an abundant number, since it is smaller than the sum of its proper divisors (3436063008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2064861696 is an equidigital number, since it uses as much as digits as its factorization.

2064861696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344332 (or 1344316 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 2064861696 is about 45440.7492895969. The cubic root of 2064861696 is about 1273.3965121898.

The spelling of 2064861696 in words is "two billion, sixty-four million, eight hundred sixty-one thousand, six hundred ninety-six".