410906989 has 2 divisors, whose sum is σ = 410906990. Its totient is φ = 410906988.

The previous prime is 410906987. The next prime is 410907019. The reversal of 410906989 is 989609014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311804964 + 99102025 = 17658^2 + 9955^2 .

It is a cyclic number.

It is not a de Polignac number, because 410906989 - 2¹ = 410906987 is a prime.

It is a super-2 number, since 2×410906989² = 337689107218092242, which contains 22 as substring.

Together with 410906987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410906981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205453494 + 205453495.

It is an arithmetic number, because the mean of its divisors is an integer number (205453495).

Almost surely, 2^410906989 is an apocalyptic number.

It is an amenable number.

410906989 is a deficient number, since it is larger than the sum of its proper divisors (1).

410906989 is an equidigital number, since it uses as much as digits as its factorization.

410906989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 410906989 is about 20270.8408557711. The cubic root of 410906989 is about 743.4432842690.

The spelling of 410906989 in words is "four hundred ten million, nine hundred six thousand, nine hundred eighty-nine".