409161339953 has 2 divisors, whose sum is σ = 409161339954. Its totient is φ = 409161339952.

The previous prime is 409161339947. The next prime is 409161340001. The reversal of 409161339953 is 359933161904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277484525824 + 131676814129 = 526768^2 + 362873^2 .

It is a cyclic number.

It is not a de Polignac number, because 409161339953 - 2²⁴ = 409144562737 is a prime.

It is a super-2 number, since 2×409161339953² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 409161339895 and 409161339904.

It is not a weakly prime, because it can be changed into another prime (409161332953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204580669976 + 204580669977.

It is an arithmetic number, because the mean of its divisors is an integer number (204580669977).

Almost surely, 2^409161339953 is an apocalyptic number.

It is an amenable number.

409161339953 is a deficient number, since it is larger than the sum of its proper divisors (1).

409161339953 is an equidigital number, since it uses as much as digits as its factorization.

409161339953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2361960, while the sum is 53.

The spelling of 409161339953 in words is "four hundred nine billion, one hundred sixty-one million, three hundred thirty-nine thousand, nine hundred fifty-three".