405505501147 has 2 divisors, whose sum is σ = 405505501148. Its totient is φ = 405505501146.

The previous prime is 405505501109. The next prime is 405505501151. The reversal of 405505501147 is 741105505504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405505501147 - 2¹⁹ = 405504976859 is a prime.

It is a super-2 number, since 2×405505501147² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405505501847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202752750573 + 202752750574.

It is an arithmetic number, because the mean of its divisors is an integer number (202752750574).

Almost surely, 2^405505501147 is an apocalyptic number.

405505501147 is a deficient number, since it is larger than the sum of its proper divisors (1).

405505501147 is an equidigital number, since it uses as much as digits as its factorization.

405505501147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 405505501147 in words is "four hundred five billion, five hundred five million, five hundred one thousand, one hundred forty-seven".