42345135355426 has 8 divisors (see below), whose sum is σ = 63524258713260. Its totient is φ = 21170382451008.

The previous prime is 42345135355399. The next prime is 42345135355507. The reversal of 42345135355426 is 62455353154324.

It can be written as a sum of positive squares in 2 ways, for example, as 37209695000625 + 5135440354801 = 6099975^2 + 2266151^2 .

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

It is a super-2 number, since 2×42345135355426² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092589131 + ... + 1092627886.

Almost surely, 2^{42345135355426} is an apocalyptic number.

42345135355426 is a deficient number, since it is larger than the sum of its proper divisors (21179123357834).

42345135355426 is a wasteful number, since it uses less digits than its factorization.

42345135355426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185226708.

The product of its digits is 25920000, while the sum is 52.

The spelling of 42345135355426 in words is "forty-two trillion, three hundred forty-five billion, one hundred thirty-five million, three hundred fifty-five thousand, four hundred twenty-six".