670355667533 has 2 divisors, whose sum is σ = 670355667534. Its totient is φ = 670355667532.

The previous prime is 670355667511. The next prime is 670355667599. The reversal of 670355667533 is 335766553076.

670355667533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 591033451369 + 79322216164 = 768787^2 + 281642^2 .

It is a cyclic number.

It is not a de Polignac number, because 670355667533 - 2⁸ = 670355667277 is a prime.

It is a super-2 number, since 2×670355667533² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670355667833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335177833766 + 335177833767.

It is an arithmetic number, because the mean of its divisors is an integer number (335177833767).

Almost surely, 2^670355667533 is an apocalyptic number.

It is an amenable number.

670355667533 is a deficient number, since it is larger than the sum of its proper divisors (1).

670355667533 is an equidigital number, since it uses as much as digits as its factorization.

670355667533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35721000, while the sum is 56.

The spelling of 670355667533 in words is "six hundred seventy billion, three hundred fifty-five million, six hundred sixty-seven thousand, five hundred thirty-three".