30192945137 has 2 divisors, whose sum is σ = 30192945138. Its totient is φ = 30192945136.

The previous prime is 30192945127. The next prime is 30192945143. The reversal of 30192945137 is 73154929103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29858457616 + 334487521 = 172796^2 + 18289^2 .

It is a cyclic number.

It is not a de Polignac number, because 30192945137 - 2⁴ = 30192945121 is a prime.

It is a super-2 number, since 2×30192945137² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30192945127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15096472568 + 15096472569.

It is an arithmetic number, because the mean of its divisors is an integer number (15096472569).

Almost surely, 2^30192945137 is an apocalyptic number.

It is an amenable number.

30192945137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30192945137 is an equidigital number, since it uses as much as digits as its factorization.

30192945137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 30192945137 in words is "thirty billion, one hundred ninety-two million, nine hundred forty-five thousand, one hundred thirty-seven".