700649629 has 2 divisors, whose sum is σ = 700649630. Its totient is φ = 700649628.

The previous prime is 700649597. The next prime is 700649639. The reversal of 700649629 is 926946007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579605625 + 121044004 = 24075^2 + 11002^2 .

It is a cyclic number.

It is not a de Polignac number, because 700649629 - 2⁵ = 700649597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700649639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350324814 + 350324815.

It is an arithmetic number, because the mean of its divisors is an integer number (350324815).

Almost surely, 2^700649629 is an apocalyptic number.

It is an amenable number.

700649629 is a deficient number, since it is larger than the sum of its proper divisors (1).

700649629 is an equidigital number, since it uses as much as digits as its factorization.

700649629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 700649629 is about 26469.7870977460. The cubic root of 700649629 is about 888.1785873839.

The spelling of 700649629 in words is "seven hundred million, six hundred forty-nine thousand, six hundred twenty-nine".