409561383 has 16 divisors (see below), whose sum is σ = 680829696. Its totient is φ = 212759040.

The previous prime is 409561379. The next prime is 409561387. The reversal of 409561383 is 383165904.

It is an interprime number because it is at equal distance from previous prime (409561379) and next prime (409561387).

It is not a de Polignac number, because 409561383 - 2² = 409561379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409561387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886266 + ... + 886727.

It is an arithmetic number, because the mean of its divisors is an integer number (42551856).

Almost surely, 2^409561383 is an apocalyptic number.

409561383 is a deficient number, since it is larger than the sum of its proper divisors (271268313).

409561383 is a wasteful number, since it uses less digits than its factorization.

409561383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773014.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 409561383 is about 20237.6229582429. The cubic root of 409561383 is about 742.6308735513.

The spelling of 409561383 in words is "four hundred nine million, five hundred sixty-one thousand, three hundred eighty-three".