30653806139 has 32 divisors (see below), whose sum is σ = 36409637376. Its totient is φ = 25487377920.

The previous prime is 30653806109. The next prime is 30653806147. The reversal of 30653806139 is 93160835603.

It is a cyclic number.

It is not a de Polignac number, because 30653806139 - 2¹⁶ = 30653740603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30653806139.

It is not an unprimeable number, because it can be changed into a prime (30653806109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6799124 + ... + 6803630.

It is an arithmetic number, because the mean of its divisors is an integer number (1137801168).

Almost surely, 2^30653806139 is an apocalyptic number.

30653806139 is a deficient number, since it is larger than the sum of its proper divisors (5755831237).

30653806139 is a wasteful number, since it uses less digits than its factorization.

30653806139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 30653806139 in words is "thirty billion, six hundred fifty-three million, eight hundred six thousand, one hundred thirty-nine".