340563655103237 has 2 divisors, whose sum is σ = 340563655103238. Its totient is φ = 340563655103236.

The previous prime is 340563655103183. The next prime is 340563655103251. The reversal of 340563655103237 is 732301556365043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174811394083876 + 165752261019361 = 13221626^2 + 12874481^2 .

It is a cyclic number.

It is not a de Polignac number, because 340563655103237 - 2¹⁰ = 340563655102213 is a prime.

It is a super-2 number, since 2×340563655103237² (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 (340563655103437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170281827551618 + 170281827551619.

It is an arithmetic number, because the mean of its divisors is an integer number (170281827551619).

Almost surely, 2^{340563655103237} is an apocalyptic number.

It is an amenable number.

340563655103237 is a deficient number, since it is larger than the sum of its proper divisors (1).

340563655103237 is an equidigital number, since it uses as much as digits as its factorization.

340563655103237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412000, while the sum is 53.

The spelling of 340563655103237 in words is "three hundred forty trillion, five hundred sixty-three billion, six hundred fifty-five million, one hundred three thousand, two hundred thirty-seven".