30469353381 has 24 divisors (see below), whose sum is σ = 44306450136. Its totient is φ = 20177095680.

The previous prime is 30469353373. The next prime is 30469353413. The reversal of 30469353381 is 18335396403.

30469353381 is a `hidden beast` number, since 30 + 4 + 6 + 9 + 3 + 533 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 274730625 + 30194622756 = 16575^2 + 173766^2 .

It is not a de Polignac number, because 30469353381 - 2³ = 30469353373 is a prime.

It is a super-2 number, since 2×30469353381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30469353301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865581 + ... + 900093.

It is an arithmetic number, because the mean of its divisors is an integer number (1846102089).

Almost surely, 2^30469353381 is an apocalyptic number.

It is an amenable number.

30469353381 is a deficient number, since it is larger than the sum of its proper divisors (13837096755).

30469353381 is a wasteful number, since it uses less digits than its factorization.

30469353381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35173 (or 35170 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 30469353381 in words is "thirty billion, four hundred sixty-nine million, three hundred fifty-three thousand, three hundred eighty-one".