2643929463 has 16 divisors (see below), whose sum is σ = 4036870656. Its totient is φ = 1507807200.

The previous prime is 2643929459. The next prime is 2643929479. The reversal of 2643929463 is 3649293462.

It is not a de Polignac number, because 2643929463 - 2² = 2643929459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643929443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114588 + ... + 135713.

It is an arithmetic number, because the mean of its divisors is an integer number (252304416).

Almost surely, 2^2643929463 is an apocalyptic number.

2643929463 is a deficient number, since it is larger than the sum of its proper divisors (1392941193).

2643929463 is a wasteful number, since it uses less digits than its factorization.

2643929463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250814.

The product of its digits is 1679616, while the sum is 48.

The square root of 2643929463 is about 51419.1546313239. The cubic root of 2643929463 is about 1382.7700195148.

The spelling of 2643929463 in words is "two billion, six hundred forty-three million, nine hundred twenty-nine thousand, four hundred sixty-three".