415551220009 has 2 divisors, whose sum is σ = 415551220010. Its totient is φ = 415551220008.

The previous prime is 415551220001. The next prime is 415551220031. The reversal of 415551220009 is 900022155514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415513027609 + 38192400 = 644603^2 + 6180^2 .

It is a cyclic number.

It is not a de Polignac number, because 415551220009 - 2³ = 415551220001 is a prime.

It is not a weakly prime, because it can be changed into another prime (415551220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207775610004 + 207775610005.

It is an arithmetic number, because the mean of its divisors is an integer number (207775610005).

Almost surely, 2^415551220009 is an apocalyptic number.

It is an amenable number.

415551220009 is a deficient number, since it is larger than the sum of its proper divisors (1).

415551220009 is an equidigital number, since it uses as much as digits as its factorization.

415551220009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 415551220009 in words is "four hundred fifteen billion, five hundred fifty-one million, two hundred twenty thousand, nine".