6481788770707 has 2 divisors, whose sum is σ = 6481788770708. Its totient is φ = 6481788770706.

The previous prime is 6481788770629. The next prime is 6481788770747. The reversal of 6481788770707 is 7070778871846.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6481788770707 is a prime.

It is not a weakly prime, because it can be changed into another prime (6481788770747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240894385353 + 3240894385354.

It is an arithmetic number, because the mean of its divisors is an integer number (3240894385354).

Almost surely, 2^{6481788770707} is an apocalyptic number.

6481788770707 is a deficient number, since it is larger than the sum of its proper divisors (1).

6481788770707 is an equidigital number, since it uses as much as digits as its factorization.

6481788770707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 206524416, while the sum is 70.

The spelling of 6481788770707 in words is "six trillion, four hundred eighty-one billion, seven hundred eighty-eight million, seven hundred seventy thousand, seven hundred seven".