1629493616137 has 2 divisors, whose sum is σ = 1629493616138. Its totient is φ = 1629493616136.

The previous prime is 1629493616083. The next prime is 1629493616171. The reversal of 1629493616137 is 7316163949261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1566762903616 + 62730712521 = 1251704^2 + 250461^2 .

It is an emirp because it is prime and its reverse (7316163949261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1629493616137 - 2³⁵ = 1595133877769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1629493616837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814746808068 + 814746808069.

It is an arithmetic number, because the mean of its divisors is an integer number (814746808069).

Almost surely, 2^{1629493616137} is an apocalyptic number.

It is an amenable number.

1629493616137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1629493616137 is an equidigital number, since it uses as much as digits as its factorization.

1629493616137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 58.

The spelling of 1629493616137 in words is "one trillion, six hundred twenty-nine billion, four hundred ninety-three million, six hundred sixteen thousand, one hundred thirty-seven".