6408634423 has 2 divisors, whose sum is σ = 6408634424. Its totient is φ = 6408634422.

The previous prime is 6408634403. The next prime is 6408634439. The reversal of 6408634423 is 3244368046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6408634423 - 2¹⁷ = 6408503351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6408634403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204317211 + 3204317212.

It is an arithmetic number, because the mean of its divisors is an integer number (3204317212).

Almost surely, 2^6408634423 is an apocalyptic number.

6408634423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6408634423 is an equidigital number, since it uses as much as digits as its factorization.

6408634423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 6408634423 is about 80053.9469545381. The cubic root of 6408634423 is about 1857.4701049383.

The spelling of 6408634423 in words is "six billion, four hundred eight million, six hundred thirty-four thousand, four hundred twenty-three".