813441080747 has 2 divisors, whose sum is σ = 813441080748. Its totient is φ = 813441080746.

The previous prime is 813441080743. The next prime is 813441080779. The reversal of 813441080747 is 747080144318.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 813441080747 - 2² = 813441080743 is a prime.

It is not a weakly prime, because it can be changed into another prime (813441080743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406720540373 + 406720540374.

It is an arithmetic number, because the mean of its divisors is an integer number (406720540374).

Almost surely, 2^813441080747 is an apocalyptic number.

813441080747 is a deficient number, since it is larger than the sum of its proper divisors (1).

813441080747 is an equidigital number, since it uses as much as digits as its factorization.

813441080747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 813441080747 in words is "eight hundred thirteen billion, four hundred forty-one million, eighty thousand, seven hundred forty-seven".