4545917797 has 2 divisors, whose sum is σ = 4545917798. Its totient is φ = 4545917796.

The previous prime is 4545917743. The next prime is 4545917813. The reversal of 4545917797 is 7977195454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3537156676 + 1008761121 = 59474^2 + 31761^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545917797 - 2¹⁹ = 4545393509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545917737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272958898 + 2272958899.

It is an arithmetic number, because the mean of its divisors is an integer number (2272958899).

Almost surely, 2^4545917797 is an apocalyptic number.

It is an amenable number.

4545917797 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545917797 is an equidigital number, since it uses as much as digits as its factorization.

4545917797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11113200, while the sum is 58.

The square root of 4545917797 is about 67423.4217242050. The cubic root of 4545917797 is about 1656.5600848313.

The spelling of 4545917797 in words is "four billion, five hundred forty-five million, nine hundred seventeen thousand, seven hundred ninety-seven".