42534217015 has 4 divisors (see below), whose sum is σ = 51041060424. Its totient is φ = 34027373608.

The previous prime is 42534217001. The next prime is 42534217081. The reversal of 42534217015 is 51071243524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42534217015 - 2¹³ = 42534208823 is a prime.

It is a super-4 number, since 4×42534217015⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253421697 + ... + 4253421706.

It is an arithmetic number, because the mean of its divisors is an integer number (12760265106).

Almost surely, 2^42534217015 is an apocalyptic number.

42534217015 is a deficient number, since it is larger than the sum of its proper divisors (8506843409).

42534217015 is an equidigital number, since it uses as much as digits as its factorization.

42534217015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506843408.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 42534217015 in words is "forty-two billion, five hundred thirty-four million, two hundred seventeen thousand, fifteen".