1630493145629 has 2 divisors, whose sum is σ = 1630493145630. Its totient is φ = 1630493145628.

The previous prime is 1630493145571. The next prime is 1630493145637. The reversal of 1630493145629 is 9265413940361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1456185225625 + 174307920004 = 1206725^2 + 417502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630493145629 - 2⁸ = 1630493145373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630493145679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815246572814 + 815246572815.

It is an arithmetic number, because the mean of its divisors is an integer number (815246572815).

Almost surely, 2^{1630493145629} is an apocalyptic number.

It is an amenable number.

1630493145629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630493145629 is an equidigital number, since it uses as much as digits as its factorization.

1630493145629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 1630493145629 in words is "one trillion, six hundred thirty billion, four hundred ninety-three million, one hundred forty-five thousand, six hundred twenty-nine".