30944746049 has 16 divisors (see below), whose sum is σ = 36079644672. Its totient is φ = 25989707328.

The previous prime is 30944746037. The next prime is 30944746057. The reversal of 30944746049 is 94064744903.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30944746049 - 2¹⁶ = 30944680513 is a prime.

It is a super-2 number, since 2×30944746049² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30944745988 and 30944746006.

It is not an unprimeable number, because it can be changed into a prime (30944746249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232832 + ... + 340734.

It is an arithmetic number, because the mean of its divisors is an integer number (2254977792).

Almost surely, 2^30944746049 is an apocalyptic number.

It is an amenable number.

30944746049 is a deficient number, since it is larger than the sum of its proper divisors (5134898623).

30944746049 is a wasteful number, since it uses less digits than its factorization.

30944746049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108736.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 30944746049 in words is "thirty billion, nine hundred forty-four million, seven hundred forty-six thousand, forty-nine".