2646244546 has 16 divisors (see below), whose sum is σ = 4331099808. Its totient is φ = 1202593600.

The previous prime is 2646244511. The next prime is 2646244547. The reversal of 2646244546 is 6454426462.

It is a super-2 number, since 2×2646244546² = 14005220394469492232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2646244547) 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, 140826 + ... + 158506.

It is an arithmetic number, because the mean of its divisors is an integer number (270693738).

Almost surely, 2^2646244546 is an apocalyptic number.

2646244546 is a deficient number, since it is larger than the sum of its proper divisors (1684855262).

2646244546 is a wasteful number, since it uses less digits than its factorization.

2646244546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24497.

The product of its digits is 1105920, while the sum is 43.

The square root of 2646244546 is about 51441.6615789187. The cubic root of 2646244546 is about 1383.1734964241.

The spelling of 2646244546 in words is "two billion, six hundred forty-six million, two hundred forty-four thousand, five hundred forty-six".