667233951229 has 2 divisors, whose sum is σ = 667233951230. Its totient is φ = 667233951228.

The previous prime is 667233951211. The next prime is 667233951247. The reversal of 667233951229 is 922159332766.

It is a balanced prime because it is at equal distance from previous prime (667233951211) and next prime (667233951247).

It can be written as a sum of positive squares in only one way, i.e., 624147400900 + 43086550329 = 790030^2 + 207573^2 .

It is a cyclic number.

It is not a de Polignac number, because 667233951229 - 2²¹ = 667231854077 is a prime.

It is a super-2 number, since 2×667233951229² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 667233951229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667233951259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333616975614 + 333616975615.

It is an arithmetic number, because the mean of its divisors is an integer number (333616975615).

Almost surely, 2^667233951229 is an apocalyptic number.

It is an amenable number.

667233951229 is a deficient number, since it is larger than the sum of its proper divisors (1).

667233951229 is an equidigital number, since it uses as much as digits as its factorization.

667233951229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 55.

The spelling of 667233951229 in words is "six hundred sixty-seven billion, two hundred thirty-three million, nine hundred fifty-one thousand, two hundred twenty-nine".