4545221810419 has 2 divisors, whose sum is σ = 4545221810420. Its totient is φ = 4545221810418.

The previous prime is 4545221810359. The next prime is 4545221810449. The reversal of 4545221810419 is 9140181225454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4545221810419 - 2²³ = 4545213421811 is a prime.

It is a super-2 number, since 2×4545221810419² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545221810449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272610905209 + 2272610905210.

It is an arithmetic number, because the mean of its divisors is an integer number (2272610905210).

Almost surely, 2^{4545221810419} is an apocalyptic number.

4545221810419 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545221810419 is an equidigital number, since it uses as much as digits as its factorization.

4545221810419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 4545221810419 in words is "four trillion, five hundred forty-five billion, two hundred twenty-one million, eight hundred ten thousand, four hundred nineteen".