42745530537 has 24 divisors (see below), whose sum is σ = 61915326720. Its totient is φ = 28417828320.

The previous prime is 42745530517. The next prime is 42745530547. The reversal of 42745530537 is 73503554724.

42745530537 is a `hidden beast` number, since 4 + 27 + 45 + 53 + 0 + 537 = 666.

42745530537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42745530537 - 2¹² = 42745526441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42745530492 and 42745530501.

It is not an unprimeable number, because it can be changed into a prime (42745530517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7902888 + ... + 7908294.

It is an arithmetic number, because the mean of its divisors is an integer number (2579805280).

Almost surely, 2^42745530537 is an apocalyptic number.

It is an amenable number.

42745530537 is a deficient number, since it is larger than the sum of its proper divisors (19169796183).

42745530537 is a wasteful number, since it uses less digits than its factorization.

42745530537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693 (or 7690 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 45.

The spelling of 42745530537 in words is "forty-two billion, seven hundred forty-five million, five hundred thirty thousand, five hundred thirty-seven".