42561537335 has 8 divisors (see below), whose sum is σ = 51379677216. Its totient is φ = 33845341600.

The previous prime is 42561537313. The next prime is 42561537341. The reversal of 42561537335 is 53373516524.

It is a happy number.

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

It is not a de Polignac number, because 42561537335 - 2¹⁴ = 42561520951 is a prime.

It is a super-2 number, since 2×42561537335² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 25485116 + ... + 25486785.

It is an arithmetic number, because the mean of its divisors is an integer number (6422459652).

Almost surely, 2^42561537335 is an apocalyptic number.

42561537335 is a deficient number, since it is larger than the sum of its proper divisors (8818139881).

42561537335 is a wasteful number, since it uses less digits than its factorization.

42561537335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50972073.

The product of its digits is 1134000, while the sum is 44.

The spelling of 42561537335 in words is "forty-two billion, five hundred sixty-one million, five hundred thirty-seven thousand, three hundred thirty-five".