2643463762 has 4 divisors (see below), whose sum is σ = 3965195646. Its totient is φ = 1321731880.

The previous prime is 2643463741. The next prime is 2643463769. The reversal of 2643463762 is 2673643462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2637746881 + 5716881 = 51359^2 + 2391^2 .

It is a super-2 number, since 2×2643463762² = 13975801322014385288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2643463769) 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 as a sum of consecutive naturals, namely, 660865939 + ... + 660865942.

Almost surely, 2^2643463762 is an apocalyptic number.

2643463762 is a deficient number, since it is larger than the sum of its proper divisors (1321731884).

2643463762 is a wasteful number, since it uses less digits than its factorization.

2643463762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321731883.

The product of its digits is 870912, while the sum is 43.

The square root of 2643463762 is about 51414.6259540999. The cubic root of 2643463762 is about 1382.6888278388.

The spelling of 2643463762 in words is "two billion, six hundred forty-three million, four hundred sixty-three thousand, seven hundred sixty-two".