13410425321421 has 16 divisors (see below), whose sum is σ = 18304277261760. Its totient is φ = 8730027371520.

The previous prime is 13410425321341. The next prime is 13410425321467. The reversal of 13410425321421 is 12412352401431.

It is not a de Polignac number, because 13410425321421 - 2⁹ = 13410425320909 is a prime.

It is a super-2 number, since 2×13410425321421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13410424321421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199829716 + ... + 199896813.

It is an arithmetic number, because the mean of its divisors is an integer number (1144017328860).

Almost surely, 2^{13410425321421} is an apocalyptic number.

It is an amenable number.

13410425321421 is a deficient number, since it is larger than the sum of its proper divisors (4893851940339).

13410425321421 is a wasteful number, since it uses less digits than its factorization.

13410425321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399726796.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 13410425321421 its reverse (12412352401431), we get a palindrome (25822777722852).

The spelling of 13410425321421 in words is "thirteen trillion, four hundred ten billion, four hundred twenty-five million, three hundred twenty-one thousand, four hundred twenty-one".