247740413801593 has 2 divisors, whose sum is σ = 247740413801594. Its totient is φ = 247740413801592.

The previous prime is 247740413801549. The next prime is 247740413801599. The reversal of 247740413801593 is 395108314047742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240919818214464 + 6820595587129 = 15521592^2 + 2611627^2 .

It is a cyclic number.

It is not a de Polignac number, because 247740413801593 - 2¹⁷ = 247740413670521 is a prime.

It is a super-2 number, since 2×247740413801593² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247740413801599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123870206900796 + 123870206900797.

It is an arithmetic number, because the mean of its divisors is an integer number (123870206900797).

Almost surely, 2^{247740413801593} is an apocalyptic number.

It is an amenable number.

247740413801593 is a deficient number, since it is larger than the sum of its proper divisors (1).

247740413801593 is an equidigital number, since it uses as much as digits as its factorization.

247740413801593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 247740413801593 in words is "two hundred forty-seven trillion, seven hundred forty billion, four hundred thirteen million, eight hundred one thousand, five hundred ninety-three".