42561537334 has 16 divisors (see below), whose sum is σ = 65055732480. Its totient is φ = 20879346240.

The previous prime is 42561537313. The next prime is 42561537341. The reversal of 42561537334 is 43373516524.

It is a super-3 number, since 3×42561537334³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 735249 + ... + 791020.

It is an arithmetic number, because the mean of its divisors is an integer number (4065983280).

Almost surely, 2^42561537334 is an apocalyptic number.

42561537334 is a deficient number, since it is larger than the sum of its proper divisors (22494195146).

42561537334 is a wasteful number, since it uses less digits than its factorization.

42561537334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526535.

The product of its digits is 907200, while the sum is 43.

The spelling of 42561537334 in words is "forty-two billion, five hundred sixty-one million, five hundred thirty-seven thousand, three hundred thirty-four".