3405355160421 has 4 divisors (see below), whose sum is σ = 4540473547232. Its totient is φ = 2270236773612.

The previous prime is 3405355160419. The next prime is 3405355160443. The reversal of 3405355160421 is 1240615535043.

It is a happy number.

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 not a de Polignac number, because 3405355160421 - 2¹ = 3405355160419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3405355160421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405355160401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567559193401 + ... + 567559193406.

It is an arithmetic number, because the mean of its divisors is an integer number (1135118386808).

Almost surely, 2^{3405355160421} is an apocalyptic number.

It is an amenable number.

3405355160421 is a deficient number, since it is larger than the sum of its proper divisors (1135118386811).

3405355160421 is a wasteful number, since it uses less digits than its factorization.

3405355160421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135118386810.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 3405355160421 in words is "three trillion, four hundred five billion, three hundred fifty-five million, one hundred sixty thousand, four hundred twenty-one".