63240732733 has 4 divisors (see below), whose sum is σ = 63369533088. Its totient is φ = 63111932380.

The previous prime is 63240732719. The next prime is 63240732833. The reversal of 63240732733 is 33723704236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63240732733 - 2⁹ = 63240732221 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 (63240732713) 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 3 ways as a sum of consecutive naturals, for example, 64399441 + ... + 64400422.

It is an arithmetic number, because the mean of its divisors is an integer number (15842383272).

Almost surely, 2^63240732733 is an apocalyptic number.

It is an amenable number.

63240732733 is a deficient number, since it is larger than the sum of its proper divisors (128800355).

63240732733 is a wasteful number, since it uses less digits than its factorization.

63240732733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128800354.

The product of its (nonzero) digits is 381024, while the sum is 40.

The spelling of 63240732733 in words is "sixty-three billion, two hundred forty million, seven hundred thirty-two thousand, seven hundred thirty-three".