63249922493 has 4 divisors (see below), whose sum is σ = 63250799388. Its totient is φ = 63249045600.

The previous prime is 63249922469. The next prime is 63249922499. The reversal of 63249922493 is 39422994236.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59488185604 + 3761736889 = 243902^2 + 61333^2 .

It is a cyclic number.

It is not a de Polignac number, because 63249922493 - 2²⁰ = 63248873917 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 (63249922499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319496 + ... + 478097.

It is an arithmetic number, because the mean of its divisors is an integer number (15812699847).

Almost surely, 2^63249922493 is an apocalyptic number.

It is an amenable number.

63249922493 is a deficient number, since it is larger than the sum of its proper divisors (876895).

63249922493 is an equidigital number, since it uses as much as digits as its factorization.

63249922493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876894.

The product of its digits is 5038848, while the sum is 53.

The spelling of 63249922493 in words is "sixty-three billion, two hundred forty-nine million, nine hundred twenty-two thousand, four hundred ninety-three".