9933081351 has 16 divisors (see below), whose sum is σ = 14055148800. Its totient is φ = 6218310528.

The previous prime is 9933081341. The next prime is 9933081359. The reversal of 9933081351 is 1531803399.

It is a happy number.

It is not a de Polignac number, because 9933081351 - 2³³ = 1343146759 is a prime.

It is a super-2 number, since 2×9933081351² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9933081359) 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, 199441 + ... + 244218.

It is an arithmetic number, because the mean of its divisors is an integer number (878446800).

Almost surely, 2^9933081351 is an apocalyptic number.

9933081351 is a deficient number, since it is larger than the sum of its proper divisors (4122067449).

9933081351 is a wasteful number, since it uses less digits than its factorization.

9933081351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444118.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9933081351 is about 99664.8451110019. The cubic root of 9933081351 is about 2149.6182016109.

The spelling of 9933081351 in words is "nine billion, nine hundred thirty-three million, eighty-one thousand, three hundred fifty-one".