42950565919 has 8 divisors (see below), whose sum is σ = 45297578240. Its totient is φ = 40612199256.

The previous prime is 42950565893. The next prime is 42950565923. The reversal of 42950565919 is 91956505924.

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 42950565919 - 2⁹ = 42950565407 is a prime.

It is a super-2 number, since 2×42950565919² (a number of 22 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 42950565919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42950565929) 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, 2151207 + ... + 2171080.

It is an arithmetic number, because the mean of its divisors is an integer number (5662197280).

Almost surely, 2^42950565919 is an apocalyptic number.

42950565919 is a deficient number, since it is larger than the sum of its proper divisors (2347012321).

42950565919 is a wasteful number, since it uses less digits than its factorization.

42950565919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322829.

The product of its (nonzero) digits is 4374000, while the sum is 55.

The spelling of 42950565919 in words is "forty-two billion, nine hundred fifty million, five hundred sixty-five thousand, nine hundred nineteen".