30505082836 has 6 divisors (see below), whose sum is σ = 53383894970. Its totient is φ = 15252541416.

The previous prime is 30505082819. The next prime is 30505082843. The reversal of 30505082836 is 63828050503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29204759236 + 1300323600 = 170894^2 + 36060^2 .

It is a super-3 number, since 3×30505082836³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3813135351 + ... + 3813135358.

Almost surely, 2^30505082836 is an apocalyptic number.

It is an amenable number.

30505082836 is a deficient number, since it is larger than the sum of its proper divisors (22878812134).

30505082836 is a wasteful number, since it uses less digits than its factorization.

30505082836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626270713 (or 7626270711 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 30505082836 in words is "thirty billion, five hundred five million, eighty-two thousand, eight hundred thirty-six".