456406109 has 2 divisors, whose sum is σ = 456406110. Its totient is φ = 456406108.

The previous prime is 456406103. The next prime is 456406117. The reversal of 456406109 is 901604654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424483609 + 31922500 = 20603^2 + 5650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456406109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456406103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228203054 + 228203055.

It is an arithmetic number, because the mean of its divisors is an integer number (228203055).

Almost surely, 2^456406109 is an apocalyptic number.

It is an amenable number.

456406109 is a deficient number, since it is larger than the sum of its proper divisors (1).

456406109 is an equidigital number, since it uses as much as digits as its factorization.

456406109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 456406109 is about 21363.6632860565. The cubic root of 456406109 is about 769.9286542092.

The spelling of 456406109 in words is "four hundred fifty-six million, four hundred six thousand, one hundred nine".