30509130802079 has 4 divisors (see below), whose sum is σ = 30779123110176. Its totient is φ = 30239138493984.

The previous prime is 30509130802069. The next prime is 30509130802093. The reversal of 30509130802079 is 97020803190503.

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

It is a cyclic number.

It is not a de Polignac number, because 30509130802079 - 2¹⁶ = 30509130736543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30509130802039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134996153879 + ... + 134996154104.

It is an arithmetic number, because the mean of its divisors is an integer number (7694780777544).

Almost surely, 2^{30509130802079} is an apocalyptic number.

30509130802079 is a deficient number, since it is larger than the sum of its proper divisors (269992308097).

30509130802079 is a wasteful number, since it uses less digits than its factorization.

30509130802079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269992308096.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 30509130802079 in words is "thirty trillion, five hundred nine billion, one hundred thirty million, eight hundred two thousand, seventy-nine".