42417638551 has 8 divisors (see below), whose sum is σ = 43877376000. Its totient is φ = 40963615320.

The previous prime is 42417638537. The next prime is 42417638563. The reversal of 42417638551 is 15583671424.

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 42417638551 - 2²³ = 42409249943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42417638521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413451 + ... + 1443148.

It is an arithmetic number, because the mean of its divisors is an integer number (5484672000).

Almost surely, 2^42417638551 is an apocalyptic number.

42417638551 is a deficient number, since it is larger than the sum of its proper divisors (1459737449).

42417638551 is a wasteful number, since it uses less digits than its factorization.

42417638551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857109.

The product of its digits is 806400, while the sum is 46.

The spelling of 42417638551 in words is "forty-two billion, four hundred seventeen million, six hundred thirty-eight thousand, five hundred fifty-one".