855409413 has 16 divisors (see below), whose sum is σ = 1149771776. Its totient is φ = 565671600.

The previous prime is 855409411. The next prime is 855409421. The reversal of 855409413 is 314904558.

It is not a de Polignac number, because 855409413 - 2¹ = 855409411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855409411) 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, 600420 + ... + 601842.

It is an arithmetic number, because the mean of its divisors is an integer number (71860736).

Almost surely, 2^855409413 is an apocalyptic number.

It is an amenable number.

855409413 is a deficient number, since it is larger than the sum of its proper divisors (294362363).

855409413 is a wasteful number, since it uses less digits than its factorization.

855409413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 855409413 is about 29247.3830111345. The cubic root of 855409413 is about 949.2734659302.

The spelling of 855409413 in words is "eight hundred fifty-five million, four hundred nine thousand, four hundred thirteen".