7642436263 has 12 divisors (see below), whose sum is σ = 9698379912. Its totient is φ = 5955144720.

The previous prime is 7642436239. The next prime is 7642436267. The reversal of 7642436263 is 3626342467.

It is not a de Polignac number, because 7642436263 - 2⁹ = 7642435751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642436267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7088920 + ... + 7089997.

It is an arithmetic number, because the mean of its divisors is an integer number (808198326).

Almost surely, 2^7642436263 is an apocalyptic number.

7642436263 is a deficient number, since it is larger than the sum of its proper divisors (2055943649).

7642436263 is a wasteful number, since it uses less digits than its factorization.

7642436263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178942 (or 14178935 counting only the distinct ones).

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

The square root of 7642436263 is about 87421.0287230710. The cubic root of 7642436263 is about 1969.7477292123.

The spelling of 7642436263 in words is "seven billion, six hundred forty-two million, four hundred thirty-six thousand, two hundred sixty-three".