3421235125405 has 8 divisors (see below), whose sum is σ = 4105525959000. Its totient is φ = 2736958894656.

The previous prime is 3421235125393. The next prime is 3421235125489. The reversal of 3421235125405 is 5045215321243.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 322040360196 + 3099194765209 = 567486^2 + 1760453^2 .

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 3421235125405 - 2⁷ = 3421235125277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128490 + ... + 4077979.

It is an arithmetic number, because the mean of its divisors is an integer number (513190744875).

Almost surely, 2^{3421235125405} is an apocalyptic number.

It is an amenable number.

3421235125405 is a deficient number, since it is larger than the sum of its proper divisors (684290833595).

3421235125405 is an equidigital number, since it uses as much as digits as its factorization.

3421235125405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301423.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 3421235125405 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-five million, one hundred twenty-five thousand, four hundred five".