383554645538 has 4 divisors (see below), whose sum is σ = 575331968310. Its totient is φ = 191777322768.

The previous prime is 383554645519. The next prime is 383554645543. The reversal of 383554645538 is 835546455383.

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

It can be written as a sum of positive squares in only one way, i.e., 226221043129 + 157333602409 = 475627^2 + 396653^2 .

It is a super-2 number, since 2×383554645538² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 95888661383 + ... + 95888661386.

Almost surely, 2^383554645538 is an apocalyptic number.

383554645538 is a deficient number, since it is larger than the sum of its proper divisors (191777322772).

383554645538 is a wasteful number, since it uses less digits than its factorization.

383554645538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191777322771.

The product of its digits is 103680000, while the sum is 59.

The spelling of 383554645538 in words is "three hundred eighty-three billion, five hundred fifty-four million, six hundred forty-five thousand, five hundred thirty-eight".