9932447401 has 4 divisors (see below), whose sum is σ = 9933247492. Its totient is φ = 9931647312.

The previous prime is 9932447339. The next prime is 9932447417. The reversal of 9932447401 is 1047442399.

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 2557931776 + 7374515625 = 50576^2 + 85875^2 .

It is a cyclic number.

It is not a de Polignac number, because 9932447401 - 2⁹ = 9932446889 is a prime.

It is a super-2 number, since 2×9932447401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9932417401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381126 + ... + 406351.

It is an arithmetic number, because the mean of its divisors is an integer number (2483311873).

Almost surely, 2^9932447401 is an apocalyptic number.

It is an amenable number.

9932447401 is a deficient number, since it is larger than the sum of its proper divisors (800091).

9932447401 is a wasteful number, since it uses less digits than its factorization.

9932447401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800090.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 9932447401 is about 99661.6646509579. The cubic root of 9932447401 is about 2149.5724695967.

The spelling of 9932447401 in words is "nine billion, nine hundred thirty-two million, four hundred forty-seven thousand, four hundred one".