406613376439 has 2 divisors, whose sum is σ = 406613376440. Its totient is φ = 406613376438.

The previous prime is 406613376401. The next prime is 406613376451. The reversal of 406613376439 is 934673316604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406613376439 - 2²⁵ = 406579822007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406613376839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203306688219 + 203306688220.

It is an arithmetic number, because the mean of its divisors is an integer number (203306688220).

Almost surely, 2^406613376439 is an apocalyptic number.

406613376439 is a deficient number, since it is larger than the sum of its proper divisors (1).

406613376439 is an equidigital number, since it uses as much as digits as its factorization.

406613376439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 52.

The spelling of 406613376439 in words is "four hundred six billion, six hundred thirteen million, three hundred seventy-six thousand, four hundred thirty-nine".