6478789241 has 2 divisors, whose sum is σ = 6478789242. Its totient is φ = 6478789240.

The previous prime is 6478789223. The next prime is 6478789253. The reversal of 6478789241 is 1429878746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6083376016 + 395413225 = 77996^2 + 19885^2 .

It is a cyclic number.

It is not a de Polignac number, because 6478789241 - 2²² = 6474594937 is a prime.

It is not a weakly prime, because it can be changed into another prime (6478789211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239394620 + 3239394621.

It is an arithmetic number, because the mean of its divisors is an integer number (3239394621).

Almost surely, 2^6478789241 is an apocalyptic number.

It is an amenable number.

6478789241 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478789241 is an equidigital number, since it uses as much as digits as its factorization.

6478789241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 56.

The square root of 6478789241 is about 80490.9264513709. The cubic root of 6478789241 is about 1864.2233818422.

The spelling of 6478789241 in words is "six billion, four hundred seventy-eight million, seven hundred eighty-nine thousand, two hundred forty-one".