30143561137493 has 2 divisors, whose sum is σ = 30143561137494. Its totient is φ = 30143561137492.

The previous prime is 30143561137483. The next prime is 30143561137507. The reversal of 30143561137493 is 39473116534103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25729221470404 + 4414339667089 = 5072398^2 + 2101033^2 .

It is a cyclic number.

It is not a de Polignac number, because 30143561137493 - 2⁸ = 30143561137237 is a prime.

It is a super-3 number, since 3×30143561137493³ (a number of 41 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30143561137483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071780568746 + 15071780568747.

It is an arithmetic number, because the mean of its divisors is an integer number (15071780568747).

Almost surely, 2^{30143561137493} is an apocalyptic number.

It is an amenable number.

30143561137493 is a deficient number, since it is larger than the sum of its proper divisors (1).

30143561137493 is an equidigital number, since it uses as much as digits as its factorization.

30143561137493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 30143561137493 in words is "thirty trillion, one hundred forty-three billion, five hundred sixty-one million, one hundred thirty-seven thousand, four hundred ninety-three".