20473474313 has 2 divisors, whose sum is σ = 20473474314. Its totient is φ = 20473474312.

The previous prime is 20473474279. The next prime is 20473474361. The reversal of 20473474313 is 31347437402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16607992384 + 3865481929 = 128872^2 + 62173^2 .

It is a cyclic number.

It is not a de Polignac number, because 20473474313 - 2⁶ = 20473474249 is a prime.

It is not a weakly prime, because it can be changed into another prime (20473474613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10236737156 + 10236737157.

It is an arithmetic number, because the mean of its divisors is an integer number (10236737157).

Almost surely, 2^20473474313 is an apocalyptic number.

It is an amenable number.

20473474313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20473474313 is an equidigital number, since it uses as much as digits as its factorization.

20473474313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 20473474313 in words is "twenty billion, four hundred seventy-three million, four hundred seventy-four thousand, three hundred thirteen".