13142243450634 has 64 divisors (see below), whose sum is σ = 27488028395520. Its totient is φ = 4181003956800.

The previous prime is 13142243450629. The next prime is 13142243450639. The reversal of 13142243450634 is 43605434224131.

It is an interprime number because it is at equal distance from previous prime (13142243450629) and next prime (13142243450639).

It is not an unprimeable number, because it can be changed into a prime (13142243450639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573860584 + ... + 573883484.

It is an arithmetic number, because the mean of its divisors is an integer number (429500443680).

Almost surely, 2^{13142243450634} is an apocalyptic number.

13142243450634 is an abundant number, since it is smaller than the sum of its proper divisors (14345784944886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13142243450634 is a wasteful number, since it uses less digits than its factorization.

13142243450634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31955.

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 13142243450634 its reverse (43605434224131), we get a palindrome (56747677674765).

The spelling of 13142243450634 in words is "thirteen trillion, one hundred forty-two billion, two hundred forty-three million, four hundred fifty thousand, six hundred thirty-four".