16293298493 has 2 divisors, whose sum is σ = 16293298494. Its totient is φ = 16293298492.

The previous prime is 16293298451. The next prime is 16293298561. The reversal of 16293298493 is 39489239261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16165088164 + 128210329 = 127142^2 + 11323^2 .

It is a cyclic number.

It is not a de Polignac number, because 16293298493 - 2¹⁰ = 16293297469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16293298403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8146649246 + 8146649247.

It is an arithmetic number, because the mean of its divisors is an integer number (8146649247).

Almost surely, 2^16293298493 is an apocalyptic number.

It is an amenable number.

16293298493 is a deficient number, since it is larger than the sum of its proper divisors (1).

16293298493 is an equidigital number, since it uses as much as digits as its factorization.

16293298493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 56.

The spelling of 16293298493 in words is "sixteen billion, two hundred ninety-three million, two hundred ninety-eight thousand, four hundred ninety-three".