30149286866 has 4 divisors (see below), whose sum is σ = 45223930302. Its totient is φ = 15074643432.

The previous prime is 30149286847. The next prime is 30149286889. The reversal of 30149286866 is 66868294103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16546963225 + 13602323641 = 128635^2 + 116629^2 .

It is a super-3 number, since 3×30149286866³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7537321715 + ... + 7537321718.

Almost surely, 2^30149286866 is an apocalyptic number.

30149286866 is a deficient number, since it is larger than the sum of its proper divisors (15074643436).

30149286866 is a wasteful number, since it uses less digits than its factorization.

30149286866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074643435.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 30149286866 in words is "thirty billion, one hundred forty-nine million, two hundred eighty-six thousand, eight hundred sixty-six".