533378437238 has 4 divisors (see below), whose sum is σ = 800067655860. Its totient is φ = 266689218618.

The previous prime is 533378437237. The next prime is 533378437279. The reversal of 533378437238 is 832734873335.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×533378437238² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533378437237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133344609308 + ... + 133344609311.

It is an arithmetic number, because the mean of its divisors is an integer number (200016913965).

Almost surely, 2^533378437238 is an apocalyptic number.

533378437238 is a deficient number, since it is larger than the sum of its proper divisors (266689218622).

533378437238 is a wasteful number, since it uses less digits than its factorization.

533378437238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266689218621.

The product of its digits is 30481920, while the sum is 56.

The spelling of 533378437238 in words is "five hundred thirty-three billion, three hundred seventy-eight million, four hundred thirty-seven thousand, two hundred thirty-eight".