2643472529 has 2 divisors, whose sum is σ = 2643472530. Its totient is φ = 2643472528.

The previous prime is 2643472523. The next prime is 2643472543. The reversal of 2643472529 is 9252743462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2383392400 + 260080129 = 48820^2 + 16127^2 .

It is a cyclic number.

It is not a de Polignac number, because 2643472529 - 2²⁸ = 2375037073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2643472529.

It is not a weakly prime, because it can be changed into another prime (2643472523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321736264 + 1321736265.

It is an arithmetic number, because the mean of its divisors is an integer number (1321736265).

Almost surely, 2^2643472529 is an apocalyptic number.

It is an amenable number.

2643472529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643472529 is an equidigital number, since it uses as much as digits as its factorization.

2643472529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 44.

The square root of 2643472529 is about 51414.7112118701. The cubic root of 2643472529 is about 1382.6903563913.

The spelling of 2643472529 in words is "two billion, six hundred forty-three million, four hundred seventy-two thousand, five hundred twenty-nine".