4545454769 has 2 divisors, whose sum is σ = 4545454770. Its totient is φ = 4545454768.

The previous prime is 4545454723. The next prime is 4545454783. The reversal of 4545454769 is 9674545454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4426906225 + 118548544 = 66535^2 + 10888^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545454769 - 2²⁴ = 4528677553 is a prime.

It is a super-2 number, since 2×4545454769² = 41322318114049686722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 4545454769.

It is not a weakly prime, because it can be changed into another prime (4545454469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272727384 + 2272727385.

It is an arithmetic number, because the mean of its divisors is an integer number (2272727385).

Almost surely, 2^4545454769 is an apocalyptic number.

It is an amenable number.

4545454769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545454769 is an equidigital number, since it uses as much as digits as its factorization.

4545454769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096000, while the sum is 53.

The square root of 4545454769 is about 67419.9879041817. The cubic root of 4545454769 is about 1656.5038395154.

The spelling of 4545454769 in words is "four billion, five hundred forty-five million, four hundred fifty-four thousand, seven hundred sixty-nine".