30493753353 has 144 divisors (see below), whose sum is σ = 55973424000. Its totient is φ = 15945854400.

The previous prime is 30493753351. The next prime is 30493753357. The reversal of 30493753353 is 35335739403.

30493753353 is a `hidden beast` number, since 30 + 4 + 9 + 37 + 533 + 53 = 666.

It is not a de Polignac number, because 30493753353 - 2¹ = 30493753351 is a prime.

It is a super-3 number, since 3×30493753353³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30493753299 and 30493753308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30493753351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56365263 + ... + 56365803.

Almost surely, 2^30493753353 is an apocalyptic number.

It is an amenable number.

30493753353 is a deficient number, since it is larger than the sum of its proper divisors (25479670647).

30493753353 is a wasteful number, since it uses less digits than its factorization.

30493753353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 45.

The spelling of 30493753353 in words is "thirty billion, four hundred ninety-three million, seven hundred fifty-three thousand, three hundred fifty-three".