6650256458 has 4 divisors (see below), whose sum is σ = 9975384690. Its totient is φ = 3325128228.

The previous prime is 6650256413. The next prime is 6650256511. The reversal of 6650256458 is 8546520566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8546520566 = 2 ⋅4273260283.

It can be written as a sum of positive squares in only one way, i.e., 6607576369 + 42680089 = 81287^2 + 6533^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662564113 + ... + 1662564116.

Almost surely, 2^6650256458 is an apocalyptic number.

6650256458 is a deficient number, since it is larger than the sum of its proper divisors (3325128232).

6650256458 is a wasteful number, since it uses less digits than its factorization.

6650256458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325128231.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The square root of 6650256458 is about 81549.1045812276. The cubic root of 6650256458 is about 1880.5265291855.

The spelling of 6650256458 in words is "six billion, six hundred fifty million, two hundred fifty-six thousand, four hundred fifty-eight".