3819319955644 has 6 divisors (see below), whose sum is σ = 6683809922384. Its totient is φ = 1909659977820.

The previous prime is 3819319955641. The next prime is 3819319955653. The reversal of 3819319955644 is 4465599139183.

It is a super-2 number, since 2×3819319955644² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3819319955644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3819319955641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477414994452 + ... + 477414994459.

Almost surely, 2^{3819319955644} is an apocalyptic number.

It is an amenable number.

3819319955644 is a deficient number, since it is larger than the sum of its proper divisors (2864489966740).

3819319955644 is a wasteful number, since it uses less digits than its factorization.

3819319955644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954829988915 (or 954829988913 counting only the distinct ones).

The product of its digits is 125971200, while the sum is 67.

The spelling of 3819319955644 in words is "three trillion, eight hundred nineteen billion, three hundred nineteen million, nine hundred fifty-five thousand, six hundred forty-four".