42545405653 has 8 divisors (see below), whose sum is σ = 42676483680. Its totient is φ = 42414427440.

The previous prime is 42545405633. The next prime is 42545405699. The reversal of 42545405653 is 35650454524.

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 42545405653 - 2⁵ = 42545405621 is a prime.

It is a super-2 number, since 2×42545405653² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42545405633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878826 + ... + 925972.

It is an arithmetic number, because the mean of its divisors is an integer number (5334560460).

Almost surely, 2^42545405653 is an apocalyptic number.

It is an amenable number.

42545405653 is a deficient number, since it is larger than the sum of its proper divisors (131078027).

42545405653 is a wasteful number, since it uses less digits than its factorization.

42545405653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49907.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 42545405653 in words is "forty-two billion, five hundred forty-five million, four hundred five thousand, six hundred fifty-three".