670736651407 has 2 divisors, whose sum is σ = 670736651408. Its totient is φ = 670736651406.

The previous prime is 670736651393. The next prime is 670736651413. The reversal of 670736651407 is 704156637076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670736651407 - 2¹⁵ = 670736618639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670736691407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335368325703 + 335368325704.

It is an arithmetic number, because the mean of its divisors is an integer number (335368325704).

Almost surely, 2^670736651407 is an apocalyptic number.

670736651407 is a deficient number, since it is larger than the sum of its proper divisors (1).

670736651407 is an equidigital number, since it uses as much as digits as its factorization.

670736651407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 670736651407 in words is "six hundred seventy billion, seven hundred thirty-six million, six hundred fifty-one thousand, four hundred seven".