214613161261 has 2 divisors, whose sum is σ = 214613161262. Its totient is φ = 214613161260.

The previous prime is 214613161247. The next prime is 214613161267. The reversal of 214613161261 is 162161316412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149715598761 + 64897562500 = 386931^2 + 254750^2 .

It is a cyclic number.

It is not a de Polignac number, because 214613161261 - 2⁵ = 214613161229 is a prime.

It is a super-2 number, since 2×214613161261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214613161267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107306580630 + 107306580631.

It is an arithmetic number, because the mean of its divisors is an integer number (107306580631).

Almost surely, 2^214613161261 is an apocalyptic number.

It is an amenable number.

214613161261 is a deficient number, since it is larger than the sum of its proper divisors (1).

214613161261 is an equidigital number, since it uses as much as digits as its factorization.

214613161261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

Adding to 214613161261 its reverse (162161316412), we get a palindrome (376774477673).

The spelling of 214613161261 in words is "two hundred fourteen billion, six hundred thirteen million, one hundred sixty-one thousand, two hundred sixty-one".