30475173939 has 16 divisors (see below), whose sum is σ = 46441839360. Its totient is φ = 17413080480.

The previous prime is 30475173931. The next prime is 30475173977. The reversal of 30475173939 is 93937157403.

It is a happy number.

It is not a de Polignac number, because 30475173939 - 2³ = 30475173931 is a prime.

It is a super-3 number, since 3×30475173939³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30475173891 and 30475173900.

It is not an unprimeable number, because it can be changed into a prime (30475173931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280632 + ... + 373770.

It is an arithmetic number, because the mean of its divisors is an integer number (2902614960).

Almost surely, 2^30475173939 is an apocalyptic number.

30475173939 is a deficient number, since it is larger than the sum of its proper divisors (15966665421).

30475173939 is a wasteful number, since it uses less digits than its factorization.

30475173939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108730.

The product of its (nonzero) digits is 2143260, while the sum is 51.

The spelling of 30475173939 in words is "thirty billion, four hundred seventy-five million, one hundred seventy-three thousand, nine hundred thirty-nine".