6651927298 has 4 divisors (see below), whose sum is σ = 9977890950. Its totient is φ = 3325963648.

The previous prime is 6651927283. The next prime is 6651927323. The reversal of 6651927298 is 8927291566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5910073129 + 741854169 = 76877^2 + 27237^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662981823 + ... + 1662981826.

Almost surely, 2^6651927298 is an apocalyptic number.

6651927298 is a deficient number, since it is larger than the sum of its proper divisors (3325963652).

6651927298 is a wasteful number, since it uses less digits than its factorization.

6651927298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325963651.

The product of its digits is 3265920, while the sum is 55.

The square root of 6651927298 is about 81559.3483176515. The cubic root of 6651927298 is about 1880.6840066132.

The spelling of 6651927298 in words is "six billion, six hundred fifty-one million, nine hundred twenty-seven thousand, two hundred ninety-eight".