9932424981 has 16 divisors (see below), whose sum is σ = 14029412544. Its totient is φ = 6228925184.

The previous prime is 9932424973. The next prime is 9932425001. The reversal of 9932424981 is 1894242399.

It is a cyclic number.

It is not a de Polignac number, because 9932424981 - 2³ = 9932424973 is a prime.

It is a super-2 number, since 2×9932424981² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9932424181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53086 + ... + 150608.

It is an arithmetic number, because the mean of its divisors is an integer number (876838284).

Almost surely, 2^9932424981 is an apocalyptic number.

9932424981 is the 63032-nd centered pentagonal number.

It is an amenable number.

9932424981 is a deficient number, since it is larger than the sum of its proper divisors (4096987563).

9932424981 is a wasteful number, since it uses less digits than its factorization.

9932424981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99540.

The product of its digits is 1119744, while the sum is 51.

The square root of 9932424981 is about 99661.5521703330. The cubic root of 9932424981 is about 2149.5708522226.

The spelling of 9932424981 in words is "nine billion, nine hundred thirty-two million, four hundred twenty-four thousand, nine hundred eighty-one".