667252052293 has 2 divisors, whose sum is σ = 667252052294. Its totient is φ = 667252052292.

The previous prime is 667252052251. The next prime is 667252052351. The reversal of 667252052293 is 392250252766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 574250230849 + 93001821444 = 757793^2 + 304962^2 .

It is a cyclic number.

It is not a de Polignac number, because 667252052293 - 2¹³ = 667252044101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667252052693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333626026146 + 333626026147.

It is an arithmetic number, because the mean of its divisors is an integer number (333626026147).

Almost surely, 2^667252052293 is an apocalyptic number.

It is an amenable number.

667252052293 is a deficient number, since it is larger than the sum of its proper divisors (1).

667252052293 is an equidigital number, since it uses as much as digits as its factorization.

667252052293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 667252052293 in words is "six hundred sixty-seven billion, two hundred fifty-two million, fifty-two thousand, two hundred ninety-three".