670677337081 has 2 divisors, whose sum is σ = 670677337082. Its totient is φ = 670677337080.

The previous prime is 670677337063. The next prime is 670677337091. The reversal of 670677337081 is 180733776076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562972599225 + 107704737856 = 750315^2 + 328184^2 .

It is a cyclic number.

It is not a de Polignac number, because 670677337081 - 2¹³ = 670677328889 is a prime.

It is a super-2 number, since 2×670677337081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (670677337051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335338668540 + 335338668541.

It is an arithmetic number, because the mean of its divisors is an integer number (335338668541).

Almost surely, 2^670677337081 is an apocalyptic number.

It is an amenable number.

670677337081 is a deficient number, since it is larger than the sum of its proper divisors (1).

670677337081 is an equidigital number, since it uses as much as digits as its factorization.

670677337081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6223392, while the sum is 55.

The spelling of 670677337081 in words is "six hundred seventy billion, six hundred seventy-seven million, three hundred thirty-seven thousand, eighty-one".