2620064601 has 24 divisors (see below), whose sum is σ = 4718385984. Its totient is φ = 1361072160.

The previous prime is 2620064597. The next prime is 2620064611. The reversal of 2620064601 is 1064600262.

It is a happy number.

It is not a de Polignac number, because 2620064601 - 2² = 2620064597 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2620064611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1889686 + ... + 1891071.

It is an arithmetic number, because the mean of its divisors is an integer number (196599416).

Almost surely, 2^2620064601 is an apocalyptic number.

2620064601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2620064601 is a deficient number, since it is larger than the sum of its proper divisors (2098321383).

2620064601 is a wasteful number, since it uses less digits than its factorization.

2620064601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780781 (or 3780778 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2620064601 is about 51186.5666068745. The cubic root of 2620064601 is about 1378.5970130049.

Adding to 2620064601 its reverse (1064600262), we get a palindrome (3684664863).

The spelling of 2620064601 in words is "two billion, six hundred twenty million, sixty-four thousand, six hundred one".