414643679 has 2 divisors, whose sum is σ = 414643680. Its totient is φ = 414643678.

The previous prime is 414643661. The next prime is 414643699. The reversal of 414643679 is 976346414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 414643679 - 2²⁰ = 413595103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414643699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207321839 + 207321840.

It is an arithmetic number, because the mean of its divisors is an integer number (207321840).

Almost surely, 2^414643679 is an apocalyptic number.

414643679 is a deficient number, since it is larger than the sum of its proper divisors (1).

414643679 is an equidigital number, since it uses as much as digits as its factorization.

414643679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 414643679 is about 20362.8013544306. The cubic root of 414643679 is about 745.6900526556.

The spelling of 414643679 in words is "four hundred fourteen million, six hundred forty-three thousand, six hundred seventy-nine".