667212753037 has 2 divisors, whose sum is σ = 667212753038. Its totient is φ = 667212753036.

The previous prime is 667212752971. The next prime is 667212753203. The reversal of 667212753037 is 730357212766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548045570601 + 119167182436 = 740301^2 + 345206^2 .

It is a cyclic number.

It is not a de Polignac number, because 667212753037 - 2⁷ = 667212752909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667212753937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333606376518 + 333606376519.

It is an arithmetic number, because the mean of its divisors is an integer number (333606376519).

Almost surely, 2^667212753037 is an apocalyptic number.

It is an amenable number.

667212753037 is a deficient number, since it is larger than the sum of its proper divisors (1).

667212753037 is an equidigital number, since it uses as much as digits as its factorization.

667212753037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 667212753037 in words is "six hundred sixty-seven billion, two hundred twelve million, seven hundred fifty-three thousand, thirty-seven".