701340643 has 2 divisors, whose sum is σ = 701340644. Its totient is φ = 701340642.

The previous prime is 701340613. The next prime is 701340649. The reversal of 701340643 is 346043107.

It is a strong prime.

It is an emirp because it is prime and its reverse (346043107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 701340643 - 2⁹ = 701340131 is a prime.

It is not a weakly prime, because it can be changed into another prime (701340649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350670321 + 350670322.

It is an arithmetic number, because the mean of its divisors is an integer number (350670322).

Almost surely, 2^701340643 is an apocalyptic number.

701340643 is a deficient number, since it is larger than the sum of its proper divisors (1).

701340643 is an equidigital number, since it uses as much as digits as its factorization.

701340643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 701340643 is about 26482.8367627035. The cubic root of 701340643 is about 888.4704794393.

The spelling of 701340643 in words is "seven hundred one million, three hundred forty thousand, six hundred forty-three".