1627809316513 has 2 divisors, whose sum is σ = 1627809316514. Its totient is φ = 1627809316512.

The previous prime is 1627809316501. The next prime is 1627809316561. The reversal of 1627809316513 is 3156139087261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1619671111569 + 8138204944 = 1272663^2 + 90212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1627809316513 - 2¹⁷ = 1627809185441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1627801316513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813904658256 + 813904658257.

It is an arithmetic number, because the mean of its divisors is an integer number (813904658257).

Almost surely, 2^{1627809316513} is an apocalyptic number.

It is an amenable number.

1627809316513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1627809316513 is an equidigital number, since it uses as much as digits as its factorization.

1627809316513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 1627809316513 in words is "one trillion, six hundred twenty-seven billion, eight hundred nine million, three hundred sixteen thousand, five hundred thirteen".