409468020421 has 8 divisors (see below), whose sum is σ = 415695653120. Its totient is φ = 403266500208.

The previous prime is 409468020359. The next prime is 409468020433. The reversal of 409468020421 is 124020864904.

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 409468020421 - 2¹³ = 409468012229 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 (409468000421) 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, 6496521 + ... + 6559246.

It is an arithmetic number, because the mean of its divisors is an integer number (51961956640).

Almost surely, 2^409468020421 is an apocalyptic number.

It is an amenable number.

409468020421 is a deficient number, since it is larger than the sum of its proper divisors (6227632699).

409468020421 is a wasteful number, since it uses less digits than its factorization.

409468020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13056243.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 409468020421 in words is "four hundred nine billion, four hundred sixty-eight million, twenty thousand, four hundred twenty-one".