6481278707 has 2 divisors, whose sum is σ = 6481278708. Its totient is φ = 6481278706.

The previous prime is 6481278691. The next prime is 6481278733. The reversal of 6481278707 is 7078721846.

6481278707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6481278707 - 2⁴ = 6481278691 is a prime.

It is not a weakly prime, because it can be changed into another prime (6481275707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240639353 + 3240639354.

It is an arithmetic number, because the mean of its divisors is an integer number (3240639354).

Almost surely, 2^6481278707 is an apocalyptic number.

6481278707 is a deficient number, since it is larger than the sum of its proper divisors (1).

6481278707 is an equidigital number, since it uses as much as digits as its factorization.

6481278707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1053696, while the sum is 50.

The square root of 6481278707 is about 80506.3892309176. The cubic root of 6481278707 is about 1864.4621263697.

The spelling of 6481278707 in words is "six billion, four hundred eighty-one million, two hundred seventy-eight thousand, seven hundred seven".