13478927633 has 2 divisors, whose sum is σ = 13478927634. Its totient is φ = 13478927632.

The previous prime is 13478927611. The next prime is 13478927663. The reversal of 13478927633 is 33672987431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13435591744 + 43335889 = 115912^2 + 6583^2 .

It is a cyclic number.

It is not a de Polignac number, because 13478927633 - 2⁶ = 13478927569 is a prime.

It is not a weakly prime, because it can be changed into another prime (13478927663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6739463816 + 6739463817.

It is an arithmetic number, because the mean of its divisors is an integer number (6739463817).

Almost surely, 2^13478927633 is an apocalyptic number.

It is an amenable number.

13478927633 is a deficient number, since it is larger than the sum of its proper divisors (1).

13478927633 is an equidigital number, since it uses as much as digits as its factorization.

13478927633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 53.

The spelling of 13478927633 in words is "thirteen billion, four hundred seventy-eight million, nine hundred twenty-seven thousand, six hundred thirty-three".