1632855490493 has 2 divisors, whose sum is σ = 1632855490494. Its totient is φ = 1632855490492.

The previous prime is 1632855490403. The next prime is 1632855490579. The reversal of 1632855490493 is 3940945582361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1296963378649 + 335892111844 = 1138843^2 + 579562^2 .

It is an emirp because it is prime and its reverse (3940945582361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1632855490493 - 2¹⁴ = 1632855474109 is a prime.

It is a super-2 number, since 2×1632855490493² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1632855490403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816427745246 + 816427745247.

It is an arithmetic number, because the mean of its divisors is an integer number (816427745247).

Almost surely, 2^{1632855490493} is an apocalyptic number.

It is an amenable number.

1632855490493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1632855490493 is an equidigital number, since it uses as much as digits as its factorization.

1632855490493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 1632855490493 in words is "one trillion, six hundred thirty-two billion, eight hundred fifty-five million, four hundred ninety thousand, four hundred ninety-three".