6426649258 has 8 divisors (see below), whose sum is σ = 9649045728. Its totient is φ = 3210300684.

The previous prime is 6426649231. The next prime is 6426649297. The reversal of 6426649258 is 8529466246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509316 + ... + 1513567.

It is an arithmetic number, because the mean of its divisors is an integer number (1206130716).

Almost surely, 2^6426649258 is an apocalyptic number.

6426649258 is a deficient number, since it is larger than the sum of its proper divisors (3222396470).

6426649258 is a wasteful number, since it uses less digits than its factorization.

6426649258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023948.

The product of its digits is 4976640, while the sum is 52.

The square root of 6426649258 is about 80166.3848380354. The cubic root of 6426649258 is about 1859.2089419473.

The spelling of 6426649258 in words is "six billion, four hundred twenty-six million, six hundred forty-nine thousand, two hundred fifty-eight".