421151413004513 has 4 divisors (see below), whose sum is σ = 435673875521940. Its totient is φ = 406628950487088.

The previous prime is 421151413004503. The next prime is 421151413004537. The reversal of 421151413004513 is 315400314151124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 299407928414464 + 121743484590049 = 17303408^2 + 11033743^2 .

It is a cyclic number.

It is not a de Polignac number, because 421151413004513 - 2¹⁴ = 421151412988129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421151413004503) 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, 7261231258670 + ... + 7261231258727.

It is an arithmetic number, because the mean of its divisors is an integer number (108918468880485).

Almost surely, 2^{421151413004513} is an apocalyptic number.

It is an amenable number.

421151413004513 is a deficient number, since it is larger than the sum of its proper divisors (14522462517427).

421151413004513 is a wasteful number, since it uses less digits than its factorization.

421151413004513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522462517426.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 421151413004513 its reverse (315400314151124), we get a palindrome (736551727155637).

The spelling of 421151413004513 in words is "four hundred twenty-one trillion, one hundred fifty-one billion, four hundred thirteen million, four thousand, five hundred thirteen".