2646261063 has 8 divisors (see below), whose sum is σ = 3920386800. Its totient is φ = 1764174024.

The previous prime is 2646261061. The next prime is 2646261077. The reversal of 2646261063 is 3601626462.

2646261063 is a `hidden beast` number, since 2 + 646 + 2 + 6 + 1 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 2646261063 - 2¹ = 2646261061 is a prime.

It is a super-2 number, since 2×2646261063² = 14005395227099779938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646261061) 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, 49004808 + ... + 49004861.

It is an arithmetic number, because the mean of its divisors is an integer number (490048350).

Almost surely, 2^2646261063 is an apocalyptic number.

2646261063 is a deficient number, since it is larger than the sum of its proper divisors (1274125737).

2646261063 is an equidigital number, since it uses as much as digits as its factorization.

2646261063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98009678 (or 98009672 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2646261063 is about 51441.8221197500. The cubic root of 2646261063 is about 1383.1763741915.

The spelling of 2646261063 in words is "two billion, six hundred forty-six million, two hundred sixty-one thousand, sixty-three".