11373739217 has 2 divisors, whose sum is σ = 11373739218. Its totient is φ = 11373739216.

The previous prime is 11373739189. The next prime is 11373739229. The reversal of 11373739217 is 71293737311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9247514896 + 2126224321 = 96164^2 + 46111^2 .

It is a cyclic number.

It is not a de Polignac number, because 11373739217 - 2¹⁰ = 11373738193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11373739277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5686869608 + 5686869609.

It is an arithmetic number, because the mean of its divisors is an integer number (5686869609).

Almost surely, 2^11373739217 is an apocalyptic number.

It is an amenable number.

11373739217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11373739217 is an equidigital number, since it uses as much as digits as its factorization.

11373739217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 166698, while the sum is 44.

The spelling of 11373739217 in words is "eleven billion, three hundred seventy-three million, seven hundred thirty-nine thousand, two hundred seventeen".