379728900549 has 6 divisors (see below), whose sum is σ = 548497300806. Its totient is φ = 253152600360.

The previous prime is 379728900527. The next prime is 379728900613. The reversal of 379728900549 is 945009827973.

379728900549 is a `hidden beast` number, since 3 + 7 + 9 + 7 + 2 + 89 + 0 + 0 + 549 = 666.

It can be written as a sum of positive squares in only one way, i.e., 241135013025 + 138593887524 = 491055^2 + 372282^2 .

It is not a de Polignac number, because 379728900549 - 2¹³ = 379728892357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379728900449) 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 5 ways as a sum of consecutive naturals, for example, 21096050022 + ... + 21096050039.

It is an arithmetic number, because the mean of its divisors is an integer number (91416216801).

Almost surely, 2^379728900549 is an apocalyptic number.

It is an amenable number.

379728900549 is a deficient number, since it is larger than the sum of its proper divisors (168768400257).

379728900549 is a wasteful number, since it uses less digits than its factorization.

379728900549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42192100067 (or 42192100064 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 379728900549 in words is "three hundred seventy-nine billion, seven hundred twenty-eight million, nine hundred thousand, five hundred forty-nine".