30654561613 has 4 divisors (see below), whose sum is σ = 33012604828. Its totient is φ = 28296518400.

The previous prime is 30654561607. The next prime is 30654561683. The reversal of 30654561613 is 31616545603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3155967684 + 27498593929 = 56178^2 + 165827^2 .

It is a cyclic number.

It is not a de Polignac number, because 30654561613 - 2¹³ = 30654553421 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 (30654561683) 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, 1179021588 + ... + 1179021613.

It is an arithmetic number, because the mean of its divisors is an integer number (8253151207).

Almost surely, 2^30654561613 is an apocalyptic number.

It is an amenable number.

30654561613 is a deficient number, since it is larger than the sum of its proper divisors (2358043215).

30654561613 is a wasteful number, since it uses less digits than its factorization.

30654561613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358043214.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 30654561613 in words is "thirty billion, six hundred fifty-four million, five hundred sixty-one thousand, six hundred thirteen".