2643477136 has 80 divisors (see below), whose sum is σ = 5618211840. Its totient is φ = 1201374720.

The previous prime is 2643477127. The next prime is 2643477143. The reversal of 2643477136 is 6317743462.

It is a junction number, because it is equal to n+sod(n) for n = 2643477092 and 2643477101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529725 + ... + 534691.

It is an arithmetic number, because the mean of its divisors is an integer number (70227648).

Almost surely, 2^2643477136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2643477136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2809105920).

2643477136 is an abundant number, since it is smaller than the sum of its proper divisors (2974734704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2643477136 is a wasteful number, since it uses less digits than its factorization.

2643477136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072 (or 5066 counting only the distinct ones).

The product of its digits is 508032, while the sum is 43.

The square root of 2643477136 is about 51414.7560142028. The cubic root of 2643477136 is about 1382.6911596341.

The spelling of 2643477136 in words is "two billion, six hundred forty-three million, four hundred seventy-seven thousand, one hundred thirty-six".