9303378381 has 24 divisors (see below), whose sum is σ = 14664202176. Its totient is φ = 5636744640.

The previous prime is 9303378341. The next prime is 9303378407. The reversal of 9303378381 is 1838733039.

It is not a de Polignac number, because 9303378381 - 2¹⁴ = 9303361997 is a prime.

It is a super-2 number, since 2×9303378381² (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 (9303378341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378441 + ... + 402273.

It is an arithmetic number, because the mean of its divisors is an integer number (611008424).

Almost surely, 2^9303378381 is an apocalyptic number.

It is an amenable number.

9303378381 is a deficient number, since it is larger than the sum of its proper divisors (5360823795).

9303378381 is a wasteful number, since it uses less digits than its factorization.

9303378381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27793 (or 27790 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 9303378381 is about 96454.0221089821. The cubic root of 9303378381 is about 2103.1983298267.

The spelling of 9303378381 in words is "nine billion, three hundred three million, three hundred seventy-eight thousand, three hundred eighty-one".