30472168541 has 2 divisors, whose sum is σ = 30472168542. Its totient is φ = 30472168540.

The previous prime is 30472168501. The next prime is 30472168579. The reversal of 30472168541 is 14586127403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30355744441 + 116424100 = 174229^2 + 10790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30472168541 is a prime.

It is a super-2 number, since 2×30472168541² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30472168501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15236084270 + 15236084271.

It is an arithmetic number, because the mean of its divisors is an integer number (15236084271).

Almost surely, 2^30472168541 is an apocalyptic number.

It is an amenable number.

30472168541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30472168541 is an equidigital number, since it uses as much as digits as its factorization.

30472168541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 30472168541 in words is "thirty billion, four hundred seventy-two million, one hundred sixty-eight thousand, five hundred forty-one".