4520134973 has 2 divisors, whose sum is σ = 4520134974. Its totient is φ = 4520134972.

The previous prime is 4520134951. The next prime is 4520134999. The reversal of 4520134973 is 3794310254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3509022169 + 1011112804 = 59237^2 + 31798^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520134973 - 2²² = 4515940669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4520134873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260067486 + 2260067487.

It is an arithmetic number, because the mean of its divisors is an integer number (2260067487).

Almost surely, 2^4520134973 is an apocalyptic number.

It is an amenable number.

4520134973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520134973 is an equidigital number, since it uses as much as digits as its factorization.

4520134973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 4520134973 is about 67231.9490495404. The cubic root of 4520134973 is about 1653.4223393332.

The spelling of 4520134973 in words is "four billion, five hundred twenty million, one hundred thirty-four thousand, nine hundred seventy-three".