379317621449 has 16 divisors (see below), whose sum is σ = 423836059920. Its totient is φ = 337062297600.

The previous prime is 379317621433. The next prime is 379317621467. The reversal of 379317621449 is 944126713973.

It can be written as a sum of positive squares in 8 ways, for example, as 26087095225 + 353230526224 = 161515^2 + 594332^2 .

It is a cyclic number.

It is not a de Polignac number, because 379317621449 - 2⁴ = 379317621433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 379317621394 and 379317621403.

It is not an unprimeable number, because it can be changed into a prime (379317626449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365752 + ... + 1619849.

It is an arithmetic number, because the mean of its divisors is an integer number (26489753745).

Almost surely, 2^379317621449 is an apocalyptic number.

It is an amenable number.

379317621449 is a deficient number, since it is larger than the sum of its proper divisors (44518438471).

379317621449 is a wasteful number, since it uses less digits than its factorization.

379317621449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985980.

The product of its digits is 6858432, while the sum is 56.

The spelling of 379317621449 in words is "three hundred seventy-nine billion, three hundred seventeen million, six hundred twenty-one thousand, four hundred forty-nine".