14780285893 has 2 divisors, whose sum is σ = 14780285894. Its totient is φ = 14780285892.

The previous prime is 14780285887. The next prime is 14780285903. The reversal of 14780285893 is 39858208741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13164808644 + 1615477249 = 114738^2 + 40193^2 .

It is a cyclic number.

It is not a de Polignac number, because 14780285893 - 2²¹ = 14778188741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14780285813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7390142946 + 7390142947.

It is an arithmetic number, because the mean of its divisors is an integer number (7390142947).

Almost surely, 2^14780285893 is an apocalyptic number.

It is an amenable number.

14780285893 is a deficient number, since it is larger than the sum of its proper divisors (1).

14780285893 is an equidigital number, since it uses as much as digits as its factorization.

14780285893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 14780285893 in words is "fourteen billion, seven hundred eighty million, two hundred eighty-five thousand, eight hundred ninety-three".