38416551533 has 4 divisors (see below), whose sum is σ = 40676348700. Its totient is φ = 36156754368.

The previous prime is 38416551493. The next prime is 38416551557. The reversal of 38416551533 is 33515561483.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27682969924 + 10733581609 = 166382^2 + 103603^2 .

It is not a de Polignac number, because 38416551533 - 2¹⁶ = 38416485997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38416551133) 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, 1129898558 + ... + 1129898591.

It is an arithmetic number, because the mean of its divisors is an integer number (10169087175).

Almost surely, 2^38416551533 is an apocalyptic number.

It is an amenable number.

38416551533 is a deficient number, since it is larger than the sum of its proper divisors (2259797167).

38416551533 is a wasteful number, since it uses less digits than its factorization.

38416551533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259797166.

The product of its digits is 648000, while the sum is 44.

The spelling of 38416551533 in words is "thirty-eight billion, four hundred sixteen million, five hundred fifty-one thousand, five hundred thirty-three".