15434134512413 has 4 divisors (see below), whose sum is σ = 15546792428700. Its totient is φ = 15321476596128.

The previous prime is 15434134512409. The next prime is 15434134512427. The reversal of 15434134512413 is 31421543143451.

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 8146931444089 + 7287203068324 = 2854283^2 + 2699482^2 .

It is a cyclic number.

It is not a de Polignac number, because 15434134512413 - 2² = 15434134512409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15434134512403) 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, 56328957938 + ... + 56328958211.

It is an arithmetic number, because the mean of its divisors is an integer number (3886698107175).

Almost surely, 2^{15434134512413} is an apocalyptic number.

It is an amenable number.

15434134512413 is a deficient number, since it is larger than the sum of its proper divisors (112657916287).

15434134512413 is a wasteful number, since it uses less digits than its factorization.

15434134512413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112657916286.

The product of its digits is 345600, while the sum is 41.

Adding to 15434134512413 its reverse (31421543143451), we get a palindrome (46855677655864).

The spelling of 15434134512413 in words is "fifteen trillion, four hundred thirty-four billion, one hundred thirty-four million, five hundred twelve thousand, four hundred thirteen".