30453173137 has 2 divisors, whose sum is σ = 30453173138. Its totient is φ = 30453173136.

The previous prime is 30453173099. The next prime is 30453173173. The reversal of 30453173137 is 73137135403.

Together with next prime (30453173173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28052565121 + 2400608016 = 167489^2 + 48996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30453173137 is a prime.

It is a super-2 number, since 2×30453173137² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30453173096 and 30453173105.

It is not a weakly prime, because it can be changed into another prime (30453173197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15226586568 + 15226586569.

It is an arithmetic number, because the mean of its divisors is an integer number (15226586569).

Almost surely, 2^30453173137 is an apocalyptic number.

It is an amenable number.

30453173137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30453173137 is an equidigital number, since it uses as much as digits as its factorization.

30453173137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 37.

The spelling of 30453173137 in words is "thirty billion, four hundred fifty-three million, one hundred seventy-three thousand, one hundred thirty-seven".