63722950213 has 16 divisors (see below), whose sum is σ = 69077081920. Its totient is φ = 58781734128.

The previous prime is 63722950171. The next prime is 63722950241. The reversal of 63722950213 is 31205922736.

It is not a de Polignac number, because 63722950213 - 2⁹ = 63722949701 is a prime.

It is a super-2 number, since 2×63722950213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63722950273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3565606 + ... + 3583432.

It is an arithmetic number, because the mean of its divisors is an integer number (4317317620).

Almost surely, 2^63722950213 is an apocalyptic number.

It is an amenable number.

63722950213 is a deficient number, since it is larger than the sum of its proper divisors (5354131707).

63722950213 is a wasteful number, since it uses less digits than its factorization.

63722950213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19493 (or 19467 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 63722950213 in words is "sixty-three billion, seven hundred twenty-two million, nine hundred fifty thousand, two hundred thirteen".