9402303681 has 6 divisors (see below), whose sum is σ = 13581105330. Its totient is φ = 6268202448.

The previous prime is 9402303667. The next prime is 9402303683. The reversal of 9402303681 is 1863032049.

It can be written as a sum of positive squares in only one way, i.e., 9246553281 + 155750400 = 96159^2 + 12480^2 .

It is not a de Polignac number, because 9402303681 - 2⁷ = 9402303553 is a prime.

It is a super-2 number, since 2×9402303681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9402303683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 522350196 + ... + 522350213.

It is an arithmetic number, because the mean of its divisors is an integer number (2263517555).

Almost surely, 2^9402303681 is an apocalyptic number.

It is an amenable number.

9402303681 is a deficient number, since it is larger than the sum of its proper divisors (4178801649).

9402303681 is a wasteful number, since it uses less digits than its factorization.

9402303681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044700415 (or 1044700412 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9402303681 is about 96965.4767481705. The cubic root of 9402303681 is about 2110.6266851408.

The spelling of 9402303681 in words is "nine billion, four hundred two million, three hundred three thousand, six hundred eighty-one".