247745414850133 has 2 divisors, whose sum is σ = 247745414850134. Its totient is φ = 247745414850132.

The previous prime is 247745414850103. The next prime is 247745414850151. The reversal of 247745414850133 is 331058414547742.

247745414850133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207987824899089 + 39757589951044 = 14421783^2 + 6305362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247745414850133 is a prime.

It is a super-2 number, since 2×247745414850133² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247745414850103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123872707425066 + 123872707425067.

It is an arithmetic number, because the mean of its divisors is an integer number (123872707425067).

Almost surely, 2^{247745414850133} is an apocalyptic number.

It is an amenable number.

247745414850133 is a deficient number, since it is larger than the sum of its proper divisors (1).

247745414850133 is an equidigital number, since it uses as much as digits as its factorization.

247745414850133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45158400, while the sum is 58.

The spelling of 247745414850133 in words is "two hundred forty-seven trillion, seven hundred forty-five billion, four hundred fourteen million, eight hundred fifty thousand, one hundred thirty-three".