30649665939 has 8 divisors (see below), whose sum is σ = 41270837712. Its totient is φ = 20230802400.

The previous prime is 30649665911. The next prime is 30649665953. The reversal of 30649665939 is 93956694603.

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

It is not a de Polignac number, because 30649665939 - 2¹⁵ = 30649633171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30649665439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50576704 + ... + 50577309.

It is an arithmetic number, because the mean of its divisors is an integer number (5158854714).

Almost surely, 2^30649665939 is an apocalyptic number.

30649665939 is a deficient number, since it is larger than the sum of its proper divisors (10621171773).

30649665939 is a wasteful number, since it uses less digits than its factorization.

30649665939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101154117.

The product of its (nonzero) digits is 28343520, while the sum is 60.

It can be divided in two parts, 3064 and 9665939, that added together give a triangular number (9669003 = T₄₃₉₇).

The spelling of 30649665939 in words is "thirty billion, six hundred forty-nine million, six hundred sixty-five thousand, nine hundred thirty-nine".