30690866810 has 8 divisors (see below), whose sum is σ = 55243560276. Its totient is φ = 12276346720.

The previous prime is 30690866803. The next prime is 30690866851. The reversal of 30690866810 is 1866809603.

It can be written as a sum of positive squares in 2 ways, for example, as 28318494961 + 2372371849 = 168281^2 + 48707^2 .

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

It is a super-2 number, since 2×30690866810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1534543331 + ... + 1534543350.

Almost surely, 2^30690866810 is an apocalyptic number.

30690866810 is a deficient number, since it is larger than the sum of its proper divisors (24552693466).

30690866810 is a wasteful number, since it uses less digits than its factorization.

30690866810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069086688.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 30690866810 in words is "thirty billion, six hundred ninety million, eight hundred sixty-six thousand, eight hundred ten".