4545499997 has 2 divisors, whose sum is σ = 4545499998. Its totient is φ = 4545499996.

The previous prime is 4545499969. The next prime is 4545500033. The reversal of 4545499997 is 7999945454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3225558436 + 1319941561 = 56794^2 + 36331^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545499997 - 2⁸ = 4545499741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545499957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272749998 + 2272749999.

It is an arithmetic number, because the mean of its divisors is an integer number (2272749999).

Almost surely, 2^4545499997 is an apocalyptic number.

It is an amenable number.

4545499997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545499997 is an equidigital number, since it uses as much as digits as its factorization.

4545499997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 65.

The square root of 4545499997 is about 67420.3233231642. The cubic root of 4545499997 is about 1656.5093336564.

The spelling of 4545499997 in words is "four billion, five hundred forty-five million, four hundred ninety-nine thousand, nine hundred ninety-seven".