6441276475 has 6 divisors (see below), whose sum is σ = 7987182860. Its totient is φ = 5153021160.

The previous prime is 6441276437. The next prime is 6441276497. The reversal of 6441276475 is 5746721446.

It is not a de Polignac number, because 6441276475 - 2⁹ = 6441275963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128825505 + ... + 128825554.

Almost surely, 2^6441276475 is an apocalyptic number.

6441276475 is a deficient number, since it is larger than the sum of its proper divisors (1545906385).

6441276475 is a wasteful number, since it uses less digits than its factorization.

6441276475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257651069 (or 257651064 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The square root of 6441276475 is about 80257.5633507522. The cubic root of 6441276475 is about 1860.6184087570.

The spelling of 6441276475 in words is "six billion, four hundred forty-one million, two hundred seventy-six thousand, four hundred seventy-five".