2726463861 has 32 divisors (see below), whose sum is σ = 4598000640. Its totient is φ = 1580554800.

The previous prime is 2726463853. The next prime is 2726463871. The reversal of 2726463861 is 1683646272.

2726463861 is a `hidden beast` number, since 2 + 7 + 2 + 6 + 4 + 638 + 6 + 1 = 666.

It is not a de Polignac number, because 2726463861 - 2³ = 2726463853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726463841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192735 + ... + 206396.

It is an arithmetic number, because the mean of its divisors is an integer number (143687520).

Almost surely, 2^2726463861 is an apocalyptic number.

It is an amenable number.

2726463861 is a deficient number, since it is larger than the sum of its proper divisors (1871536779).

2726463861 is a wasteful number, since it uses less digits than its factorization.

2726463861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399174 (or 399168 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2726463861 is about 52215.5519074538. The cubic root of 2726463861 is about 1397.0112876889.

It can be divided in two parts, 27264 and 63861, that added together give a cube (91125 = 45³).

The spelling of 2726463861 in words is "two billion, seven hundred twenty-six million, four hundred sixty-three thousand, eight hundred sixty-one".