30606477641 has 4 divisors (see below), whose sum is σ = 31025744532. Its totient is φ = 30187210752.

The previous prime is 30606477611. The next prime is 30606477647. The reversal of 30606477641 is 14677460603.

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 11168262400 + 19438215241 = 105680^2 + 139421^2 .

It is a cyclic number.

It is not a de Polignac number, because 30606477641 - 2²⁶ = 30539368777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30606477592 and 30606477601.

It is not an unprimeable number, because it can be changed into a prime (30606477647) 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, 209633336 + ... + 209633481.

It is an arithmetic number, because the mean of its divisors is an integer number (7756436133).

Almost surely, 2^30606477641 is an apocalyptic number.

It is an amenable number.

30606477641 is a deficient number, since it is larger than the sum of its proper divisors (419266891).

30606477641 is an equidigital number, since it uses as much as digits as its factorization.

30606477641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419266890.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 30606477641 in words is "thirty billion, six hundred six million, four hundred seventy-seven thousand, six hundred forty-one".