409701073 has 4 divisors (see below), whose sum is σ = 409746160. Its totient is φ = 409655988.

The previous prime is 409701043. The next prime is 409701101. The reversal of 409701073 is 370107904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 409701073 - 2⁵ = 409701041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409701023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615 + ... + 28852.

It is an arithmetic number, because the mean of its divisors is an integer number (102436540).

Almost surely, 2^409701073 is an apocalyptic number.

It is an amenable number.

409701073 is a deficient number, since it is larger than the sum of its proper divisors (45087).

409701073 is a wasteful number, since it uses less digits than its factorization.

409701073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45086.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 409701073 is about 20241.0739092569. The cubic root of 409701073 is about 742.7152942016.

Adding to 409701073 its reverse (370107904), we get a palindrome (779808977).

The spelling of 409701073 in words is "four hundred nine million, seven hundred one thousand, seventy-three".