538807641919 has 8 divisors (see below), whose sum is σ = 549075646080. Its totient is φ = 528543409056.

The previous prime is 538807641913. The next prime is 538807641929. The reversal of 538807641919 is 919146708835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538807641919 - 2⁵ = 538807641887 is a prime.

It is a super-2 number, since 2×538807641919² (a number of 24 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 (538807641913) 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, 653524 + ... + 1226665.

It is an arithmetic number, because the mean of its divisors is an integer number (68634455760).

Almost surely, 2^538807641919 is an apocalyptic number.

538807641919 is a deficient number, since it is larger than the sum of its proper divisors (10268004161).

538807641919 is a wasteful number, since it uses less digits than its factorization.

538807641919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885649.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 538807641919 in words is "five hundred thirty-eight billion, eight hundred seven million, six hundred forty-one thousand, nine hundred nineteen".