42545513263 has 8 divisors (see below), whose sum is σ = 47492666496. Its totient is φ = 37778256600.

The previous prime is 42545513237. The next prime is 42545513293. The reversal of 42545513263 is 36231554524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42545513263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42545513293) 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, 44973643 + ... + 44974588.

It is an arithmetic number, because the mean of its divisors is an integer number (5936583312).

Almost surely, 2^42545513263 is an apocalyptic number.

42545513263 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42545513263 is a deficient number, since it is larger than the sum of its proper divisors (4947153233).

42545513263 is a wasteful number, since it uses less digits than its factorization.

42545513263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89948285.

The product of its digits is 432000, while the sum is 40.

The spelling of 42545513263 in words is "forty-two billion, five hundred forty-five million, five hundred thirteen thousand, two hundred sixty-three".