3421265045421 has 4 divisors (see below), whose sum is σ = 4561686727232. Its totient is φ = 2280843363612.

The previous prime is 3421265045347. The next prime is 3421265045423. The reversal of 3421265045421 is 1245405621243.

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 3421265045421 - 2²³ = 3421256656813 is a prime.

It is a super-2 number, since 2×3421265045421² (a number of 26 digits) contains 22 as substring.

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 3421265045421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421265045423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570210840901 + ... + 570210840906.

It is an arithmetic number, because the mean of its divisors is an integer number (1140421681808).

Almost surely, 2^{3421265045421} is an apocalyptic number.

It is an amenable number.

3421265045421 is a deficient number, since it is larger than the sum of its proper divisors (1140421681811).

3421265045421 is a wasteful number, since it uses less digits than its factorization.

3421265045421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140421681810.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 3421265045421 in words is "three trillion, four hundred twenty-one billion, two hundred sixty-five million, forty-five thousand, four hundred twenty-one".