667237247741 has 2 divisors, whose sum is σ = 667237247742. Its totient is φ = 667237247740.

The previous prime is 667237247717. The next prime is 667237247759. The reversal of 667237247741 is 147742732766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460185856900 + 207051390841 = 678370^2 + 455029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667237247741 is a prime.

It is a super-3 number, since 3×667237247741³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667237247791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333618623870 + 333618623871.

It is an arithmetic number, because the mean of its divisors is an integer number (333618623871).

Almost surely, 2^667237247741 is an apocalyptic number.

It is an amenable number.

667237247741 is a deficient number, since it is larger than the sum of its proper divisors (1).

667237247741 is an equidigital number, since it uses as much as digits as its factorization.

667237247741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16595712, while the sum is 56.

The spelling of 667237247741 in words is "six hundred sixty-seven billion, two hundred thirty-seven million, two hundred forty-seven thousand, seven hundred forty-one".