405484574489 has 2 divisors, whose sum is σ = 405484574490. Its totient is φ = 405484574488.

The previous prime is 405484574479. The next prime is 405484574501. The reversal of 405484574489 is 984475484504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397488638089 + 7995936400 = 630467^2 + 89420^2 .

It is a cyclic number.

It is not a de Polignac number, because 405484574489 - 2¹⁶ = 405484508953 is a prime.

It is a super-2 number, since 2×405484574489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405484574419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202742287244 + 202742287245.

It is an arithmetic number, because the mean of its divisors is an integer number (202742287245).

Almost surely, 2^405484574489 is an apocalyptic number.

It is an amenable number.

405484574489 is a deficient number, since it is larger than the sum of its proper divisors (1).

405484574489 is an equidigital number, since it uses as much as digits as its factorization.

405484574489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103219200, while the sum is 62.

The spelling of 405484574489 in words is "four hundred five billion, four hundred eighty-four million, five hundred seventy-four thousand, four hundred eighty-nine".