42635163545 has 8 divisors (see below), whose sum is σ = 55097749896. Its totient is φ = 31484428416.

The previous prime is 42635163539. The next prime is 42635163577. The reversal of 42635163545 is 54536153624.

It can be written as a sum of positive squares in 4 ways, for example, as 8331308176 + 34303855369 = 91276^2 + 185213^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42635163545 - 2²⁰ = 42634114969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42635163496 and 42635163505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327962732 + ... + 327962861.

It is an arithmetic number, because the mean of its divisors is an integer number (6887218737).

Almost surely, 2^42635163545 is an apocalyptic number.

It is an amenable number.

42635163545 is a deficient number, since it is larger than the sum of its proper divisors (12462586351).

42635163545 is a wasteful number, since it uses less digits than its factorization.

42635163545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655925611.

The product of its digits is 1296000, while the sum is 44.

The spelling of 42635163545 in words is "forty-two billion, six hundred thirty-five million, one hundred sixty-three thousand, five hundred forty-five".