4545454619 has 2 divisors, whose sum is σ = 4545454620. Its totient is φ = 4545454618.

The previous prime is 4545454561. The next prime is 4545454633. The reversal of 4545454619 is 9164545454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4545454619 - 2³² = 250487323 is a prime.

It is a super-2 number, since 2×4545454619² = 41322315386776870322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545454919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272727309 + 2272727310.

It is an arithmetic number, because the mean of its divisors is an integer number (2272727310).

Almost surely, 2^4545454619 is an apocalyptic number.

4545454619 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545454619 is an equidigital number, since it uses as much as digits as its factorization.

4545454619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 47.

The square root of 4545454619 is about 67419.9867917519. The cubic root of 4545454619 is about 1656.5038212939.

The spelling of 4545454619 in words is "four billion, five hundred forty-five million, four hundred fifty-four thousand, six hundred nineteen".