42146424606551 has 8 divisors (see below), whose sum is σ = 44366041189680. Its totient is φ = 39926946394368.

The previous prime is 42146424606527. The next prime is 42146424606553. The reversal of 42146424606551 is 15560642464124.

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-42146424606551 is a prime.

It is a super-2 number, since 2×42146424606551² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42146424606551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42146424606553) 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, 33967226 + ... + 35186151.

It is an arithmetic number, because the mean of its divisors is an integer number (5545755148710).

Almost surely, 2^{42146424606551} is an apocalyptic number.

42146424606551 is a deficient number, since it is larger than the sum of its proper divisors (2219616583129).

42146424606551 is a wasteful number, since it uses less digits than its factorization.

42146424606551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69185473.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 42146424606551 in words is "forty-two trillion, one hundred forty-six billion, four hundred twenty-four million, six hundred six thousand, five hundred fifty-one".