409416378451 has 8 divisors (see below), whose sum is σ = 409795891200. Its totient is φ = 409037000520.

The previous prime is 409416378439. The next prime is 409416378467. The reversal of 409416378451 is 154873614904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409416378451 - 2²¹ = 409414281299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409416378401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6644856 + ... + 6706186.

It is an arithmetic number, because the mean of its divisors is an integer number (51224486400).

Almost surely, 2^409416378451 is an apocalyptic number.

409416378451 is a deficient number, since it is larger than the sum of its proper divisors (379512749).

409416378451 is a wasteful number, since it uses less digits than its factorization.

409416378451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67409.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 409416378451 in words is "four hundred nine billion, four hundred sixteen million, three hundred seventy-eight thousand, four hundred fifty-one".