383338124691 has 4 divisors (see below), whose sum is σ = 511117499592. Its totient is φ = 255558749792.

The previous prime is 383338124671. The next prime is 383338124777. The reversal of 383338124691 is 196421833383.

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 383338124691 - 2¹⁹ = 383337600403 is a prime.

It is a super-2 number, since 2×383338124691² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (383338124671) 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, 63889687446 + ... + 63889687451.

It is an arithmetic number, because the mean of its divisors is an integer number (127779374898).

Almost surely, 2^383338124691 is an apocalyptic number.

383338124691 is a deficient number, since it is larger than the sum of its proper divisors (127779374901).

383338124691 is a wasteful number, since it uses less digits than its factorization.

383338124691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127779374900.

The product of its digits is 2239488, while the sum is 51.

The spelling of 383338124691 in words is "three hundred eighty-three billion, three hundred thirty-eight million, one hundred twenty-four thousand, six hundred ninety-one".