42434935987473 has 12 divisors (see below), whose sum is σ = 61346286352260. Its totient is φ = 28266244025856.

The previous prime is 42434935987447. The next prime is 42434935987501. The reversal of 42434935987473 is 37478953943424.

42434935987473 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 49 + 35 + 9 + 87 + 473 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8175184755984 + 34259751231489 = 2859228^2 + 5853183^2 .

It is not a de Polignac number, because 42434935987473 - 2¹⁰ = 42434935986449 is a prime.

It is a super-2 number, since 2×42434935987473² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42434935987403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1976096928 + ... + 1976118401.

It is an arithmetic number, because the mean of its divisors is an integer number (5112190529355).

Almost surely, 2^{42434935987473} is an apocalyptic number.

It is an amenable number.

42434935987473 is a deficient number, since it is larger than the sum of its proper divisors (18911350364787).

42434935987473 is a wasteful number, since it uses less digits than its factorization.

42434935987473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952216528 (or 3952216525 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 72.

The spelling of 42434935987473 in words is "forty-two trillion, four hundred thirty-four billion, nine hundred thirty-five million, nine hundred eighty-seven thousand, four hundred seventy-three".