379536558421 has 4 divisors (see below), whose sum is σ = 379564775532. Its totient is φ = 379508341312.

The previous prime is 379536558383. The next prime is 379536558433. The reversal of 379536558421 is 124855635973.

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

It can be written as a sum of positive squares in 2 ways, for example, as 324387202500 + 55149355921 = 569550^2 + 234839^2 .

It is a cyclic number.

It is not a de Polignac number, because 379536558421 - 2¹⁵ = 379536525653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379536558461) 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 3 ways as a sum of consecutive naturals, for example, 14088370 + ... + 14115283.

It is an arithmetic number, because the mean of its divisors is an integer number (94891193883).

Almost surely, 2^379536558421 is an apocalyptic number.

It is an amenable number.

379536558421 is a deficient number, since it is larger than the sum of its proper divisors (28217111).

379536558421 is a wasteful number, since it uses less digits than its factorization.

379536558421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28217110.

The product of its digits is 27216000, while the sum is 58.

The spelling of 379536558421 in words is "three hundred seventy-nine billion, five hundred thirty-six million, five hundred fifty-eight thousand, four hundred twenty-one".