7438432663 has 2 divisors, whose sum is σ = 7438432664. Its totient is φ = 7438432662.

The previous prime is 7438432649. The next prime is 7438432709. The reversal of 7438432663 is 3662348347.

It is an a-pointer prime, because the next prime (7438432709) can be obtained adding 7438432663 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7438432663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7438432063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719216331 + 3719216332.

It is an arithmetic number, because the mean of its divisors is an integer number (3719216332).

Almost surely, 2^7438432663 is an apocalyptic number.

7438432663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7438432663 is an equidigital number, since it uses as much as digits as its factorization.

7438432663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 46.

The square root of 7438432663 is about 86246.3486937273. The cubic root of 7438432663 is about 1952.0629198979.

The spelling of 7438432663 in words is "seven billion, four hundred thirty-eight million, four hundred thirty-two thousand, six hundred sixty-three".