30939556669 has 8 divisors (see below), whose sum is σ = 35785512000. Its totient is φ = 26200106016.

The previous prime is 30939556663. The next prime is 30939556717. The reversal of 30939556669 is 96665593903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30939556669 - 2¹³ = 30939548477 is a prime.

It is a super-2 number, since 2×30939556669² (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 (30939556663) 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 7 ways as a sum of consecutive naturals, for example, 26625544 + ... + 26626705.

It is an arithmetic number, because the mean of its divisors is an integer number (4473189000).

Almost surely, 2^30939556669 is an apocalyptic number.

It is an amenable number.

30939556669 is a deficient number, since it is larger than the sum of its proper divisors (4845955331).

30939556669 is an equidigital number, since it uses as much as digits as its factorization.

30939556669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53252339.

The product of its (nonzero) digits is 35429400, while the sum is 61.

The spelling of 30939556669 in words is "thirty billion, nine hundred thirty-nine million, five hundred fifty-six thousand, six hundred sixty-nine".