1630745010613 has 2 divisors, whose sum is σ = 1630745010614. Its totient is φ = 1630745010612.

The previous prime is 1630745010607. The next prime is 1630745010623. The reversal of 1630745010613 is 3160105470361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1514260685809 + 116484324804 = 1230553^2 + 341298^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630745010613 - 2³³ = 1622155076021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630745010623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815372505306 + 815372505307.

It is an arithmetic number, because the mean of its divisors is an integer number (815372505307).

Almost surely, 2^{1630745010613} is an apocalyptic number.

It is an amenable number.

1630745010613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630745010613 is an equidigital number, since it uses as much as digits as its factorization.

1630745010613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 1630745010613 in words is "one trillion, six hundred thirty billion, seven hundred forty-five million, ten thousand, six hundred thirteen".