13451354242 has 8 divisors (see below), whose sum is σ = 20279453436. Its totient is φ = 6691536432.

The previous prime is 13451354219. The next prime is 13451354281. The reversal of 13451354242 is 24245315431.

It can be written as a sum of positive squares in 2 ways, for example, as 10751408721 + 2699945521 = 103689^2 + 51961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13451354242³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13451354198 and 13451354207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17069853 + ... + 17070640.

Almost surely, 2^13451354242 is an apocalyptic number.

13451354242 is a deficient number, since it is larger than the sum of its proper divisors (6828099194).

13451354242 is a wasteful number, since it uses less digits than its factorization.

13451354242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34140692.

The product of its digits is 57600, while the sum is 34.

Adding to 13451354242 its reverse (24245315431), we get a palindrome (37696669673).

The spelling of 13451354242 in words is "thirteen billion, four hundred fifty-one million, three hundred fifty-four thousand, two hundred forty-two".