9948646455 has 16 divisors (see below), whose sum is σ = 17364910464. Its totient is φ = 4823586080.

The previous prime is 9948646441. The next prime is 9948646457. The reversal of 9948646455 is 5546468499.

9948646455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9948646455 - 2⁵ = 9948646423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9948646457) 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 15 ways as a sum of consecutive naturals, for example, 30147249 + ... + 30147578.

It is an arithmetic number, because the mean of its divisors is an integer number (1085306904).

Almost surely, 2^9948646455 is an apocalyptic number.

9948646455 is a deficient number, since it is larger than the sum of its proper divisors (7416264009).

9948646455 is a wasteful number, since it uses less digits than its factorization.

9948646455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60294846.

The product of its digits is 37324800, while the sum is 60.

The square root of 9948646455 is about 99742.9017775200. The cubic root of 9948646455 is about 2150.7404303922.

The spelling of 9948646455 in words is "nine billion, nine hundred forty-eight million, six hundred forty-six thousand, four hundred fifty-five".