2643461012 has 12 divisors (see below), whose sum is σ = 4785576180. Its totient is φ = 1276153536.

The previous prime is 2643460999. The next prime is 2643461033. The reversal of 2643461012 is 2101643462.

It can be written as a sum of positive squares in 2 ways, for example, as 2108279056 + 535181956 = 45916^2 + 23134^2 .

It is a super-2 number, since 2×2643461012² = 13975772243928128288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11394113 + ... + 11394344.

It is an arithmetic number, because the mean of its divisors is an integer number (398798015).

Almost surely, 2^2643461012 is an apocalyptic number.

It is an amenable number.

2643461012 is a deficient number, since it is larger than the sum of its proper divisors (2142115168).

2643461012 is a wasteful number, since it uses less digits than its factorization.

2643461012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22788490 (or 22788488 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2643461012 is about 51414.5992107300. The cubic root of 2643461012 is about 1382.6883483674.

The spelling of 2643461012 in words is "two billion, six hundred forty-three million, four hundred sixty-one thousand, twelve".