30993329745 has 48 divisors (see below), whose sum is σ = 61470888960. Its totient is φ = 14151169152.

The previous prime is 30993329743. The next prime is 30993329749. The reversal of 30993329745 is 54792339903.

30993329745 is a `hidden beast` number, since 309 + 9 + 3 + 3 + 297 + 45 = 666.

It is not a de Polignac number, because 30993329745 - 2¹ = 30993329743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30993329691 and 30993329700.

It is not an unprimeable number, because it can be changed into a prime (30993329743) 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 47 ways as a sum of consecutive naturals, for example, 201792 + ... + 320478.

It is an arithmetic number, because the mean of its divisors is an integer number (1280643520).

Almost surely, 2^30993329745 is an apocalyptic number.

30993329745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30993329745 is a deficient number, since it is larger than the sum of its proper divisors (30477559215).

30993329745 is a wasteful number, since it uses less digits than its factorization.

30993329745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119534 (or 119531 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 54.

The spelling of 30993329745 in words is "thirty billion, nine hundred ninety-three million, three hundred twenty-nine thousand, seven hundred forty-five".