6205401409 has 4 divisors (see below), whose sum is σ = 6405575680. Its totient is φ = 6005227140.

The previous prime is 6205401407. The next prime is 6205401457. The reversal of 6205401409 is 9041045026.

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.

It is a cyclic number.

It is not a de Polignac number, because 6205401409 - 2¹ = 6205401407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 200174239 = 6205401409 / (6 + 2 + 0 + 5 + 4 + 0 + 1 + 4 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6205401401) 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, 100087089 + ... + 100087150.

It is an arithmetic number, because the mean of its divisors is an integer number (1601393920).

Almost surely, 2^6205401409 is an apocalyptic number.

It is an amenable number.

6205401409 is a deficient number, since it is larger than the sum of its proper divisors (200174271).

6205401409 is a wasteful number, since it uses less digits than its factorization.

6205401409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200174270.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 6205401409 is about 78774.3702545441. The cubic root of 6205401409 is about 1837.6238831990.

The spelling of 6205401409 in words is "six billion, two hundred five million, four hundred one thousand, four hundred nine".