30664423541 has 2 divisors, whose sum is σ = 30664423542. Its totient is φ = 30664423540.

The previous prime is 30664423441. The next prime is 30664423579. The reversal of 30664423541 is 14532446603.

It is an a-pointer prime, because the next prime (30664423579) can be obtained adding 30664423541 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23272722916 + 7391700625 = 152554^2 + 85975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30664423541 is a prime.

It is a super-2 number, since 2×30664423541² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30664423495 and 30664423504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30664423441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15332211770 + 15332211771.

It is an arithmetic number, because the mean of its divisors is an integer number (15332211771).

Almost surely, 2^30664423541 is an apocalyptic number.

It is an amenable number.

30664423541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30664423541 is an equidigital number, since it uses as much as digits as its factorization.

30664423541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 30664423541 in words is "thirty billion, six hundred sixty-four million, four hundred twenty-three thousand, five hundred forty-one".