1942841274217 has 2 divisors, whose sum is σ = 1942841274218. Its totient is φ = 1942841274216.

The previous prime is 1942841274211. The next prime is 1942841274289. The reversal of 1942841274217 is 7124721482491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1169363239641 + 773478034576 = 1081371^2 + 879476^2 .

It is a cyclic number.

It is not a de Polignac number, because 1942841274217 - 2¹⁵ = 1942841241449 is a prime.

It is a super-2 number, since 2×1942841274217² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1942841274211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971420637108 + 971420637109.

It is an arithmetic number, because the mean of its divisors is an integer number (971420637109).

Almost surely, 2^{1942841274217} is an apocalyptic number.

It is an amenable number.

1942841274217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942841274217 is an equidigital number, since it uses as much as digits as its factorization.

1942841274217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 52.

The spelling of 1942841274217 in words is "one trillion, nine hundred forty-two billion, eight hundred forty-one million, two hundred seventy-four thousand, two hundred seventeen".