6459422642 has 16 divisors (see below), whose sum is σ = 9813796440. Its totient is φ = 3188325888.

The previous prime is 6459422591. The next prime is 6459422699. The reversal of 6459422642 is 2462249546.

It can be written as a sum of positive squares in 4 ways, for example, as 4723950361 + 1735472281 = 68731^2 + 41659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6459422593 and 6459422602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35084 + ... + 118952.

Almost surely, 2^6459422642 is an apocalyptic number.

6459422642 is a deficient number, since it is larger than the sum of its proper divisors (3354373798).

6459422642 is a wasteful number, since it uses less digits than its factorization.

6459422642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84365.

The product of its digits is 829440, while the sum is 44.

The square root of 6459422642 is about 80370.5334186603. The cubic root of 6459422642 is about 1862.3639963269.

The spelling of 6459422642 in words is "six billion, four hundred fifty-nine million, four hundred twenty-two thousand, six hundred forty-two".