417545864399 has 2 divisors, whose sum is σ = 417545864400. Its totient is φ = 417545864398.

The previous prime is 417545864389. The next prime is 417545864473. The reversal of 417545864399 is 993468545714.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417545864399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417545864339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208772932199 + 208772932200.

It is an arithmetic number, because the mean of its divisors is an integer number (208772932200).

Almost surely, 2^417545864399 is an apocalyptic number.

417545864399 is a deficient number, since it is larger than the sum of its proper divisors (1).

417545864399 is an equidigital number, since it uses as much as digits as its factorization.

417545864399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 65.

The spelling of 417545864399 in words is "four hundred seventeen billion, five hundred forty-five million, eight hundred sixty-four thousand, three hundred ninety-nine".