42055641319 has 4 divisors (see below), whose sum is σ = 42266976400. Its totient is φ = 41844306240.

The previous prime is 42055641317. The next prime is 42055641347. The reversal of 42055641319 is 91314655024.

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 42055641319 - 2¹ = 42055641317 is a prime.

It is a super-2 number, since 2×42055641319² (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 (42055641317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105667242 + ... + 105667639.

It is an arithmetic number, because the mean of its divisors is an integer number (10566744100).

Almost surely, 2^42055641319 is an apocalyptic number.

42055641319 is a deficient number, since it is larger than the sum of its proper divisors (211335081).

42055641319 is a wasteful number, since it uses less digits than its factorization.

42055641319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211335080.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 42055641319 in words is "forty-two billion, fifty-five million, six hundred forty-one thousand, three hundred nineteen".