700643701 has 2 divisors, whose sum is σ = 700643702. Its totient is φ = 700643700.

The previous prime is 700643693. The next prime is 700643719. The reversal of 700643701 is 107346007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383768100 + 316875601 = 19590^2 + 17801^2 .

It is a cyclic number.

It is not a de Polignac number, because 700643701 - 2³ = 700643693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 700643701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700643761) 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, 350321850 + 350321851.

It is an arithmetic number, because the mean of its divisors is an integer number (350321851).

Almost surely, 2^700643701 is an apocalyptic number.

It is an amenable number.

700643701 is a deficient number, since it is larger than the sum of its proper divisors (1).

700643701 is an equidigital number, since it uses as much as digits as its factorization.

700643701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 700643701 is about 26469.6751207868. The cubic root of 700643701 is about 888.1760825002.

Adding to 700643701 its reverse (107346007), we get a palindrome (807989708).

The spelling of 700643701 in words is "seven hundred million, six hundred forty-three thousand, seven hundred one".