30930356869 has 8 divisors (see below), whose sum is σ = 32759446680. Its totient is φ = 29102340096.

The previous prime is 30930356833. The next prime is 30930356939. The reversal of 30930356869 is 96865303903.

It can be written as a sum of positive squares in 4 ways, for example, as 7746640225 + 23183716644 = 88015^2 + 152262^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30930356869 - 2¹⁵ = 30930324101 is a prime.

It is a super-2 number, since 2×30930356869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30930356819) 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 7 ways as a sum of consecutive naturals, for example, 208524 + ... + 324565.

It is an arithmetic number, because the mean of its divisors is an integer number (4094930835).

Almost surely, 2^30930356869 is an apocalyptic number.

It is an amenable number.

30930356869 is a deficient number, since it is larger than the sum of its proper divisors (1829089811).

30930356869 is a wasteful number, since it uses less digits than its factorization.

30930356869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536519.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 30930356869 in words is "thirty billion, nine hundred thirty million, three hundred fifty-six thousand, eight hundred sixty-nine".