3421511581845 has 16 divisors (see below), whose sum is σ = 6256478321280. Its totient is φ = 1564119580224.

The previous prime is 3421511581823. The next prime is 3421511581979. The reversal of 3421511581845 is 5481851151243.

It is not a de Polignac number, because 3421511581845 - 2⁶ = 3421511581781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3421511581794 and 3421511581803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16292912190 + ... + 16292912399.

It is an arithmetic number, because the mean of its divisors is an integer number (391029895080).

Almost surely, 2^{3421511581845} is an apocalyptic number.

3421511581845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3421511581845 is a deficient number, since it is larger than the sum of its proper divisors (2834966739435).

3421511581845 is a wasteful number, since it uses less digits than its factorization.

3421511581845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32585824604.

The product of its digits is 768000, while the sum is 48.

The spelling of 3421511581845 in words is "three trillion, four hundred twenty-one billion, five hundred eleven million, five hundred eighty-one thousand, eight hundred forty-five".