379905606271 has 16 divisors (see below), whose sum is σ = 408885978240. Its totient is φ = 351871771680.

The previous prime is 379905606253. The next prime is 379905606287. The reversal of 379905606271 is 172606509973.

It is a cyclic number.

It is not a de Polignac number, because 379905606271 - 2²³ = 379897217663 is a prime.

It is a super-2 number, since 2×379905606271² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379905606571) 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 15 ways as a sum of consecutive naturals, for example, 381565 + ... + 951526.

It is an arithmetic number, because the mean of its divisors is an integer number (25555373640).

Almost surely, 2^379905606271 is an apocalyptic number.

379905606271 is a deficient number, since it is larger than the sum of its proper divisors (28980371969).

379905606271 is a wasteful number, since it uses less digits than its factorization.

379905606271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333446.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 379905606271 in words is "three hundred seventy-nine billion, nine hundred five million, six hundred six thousand, two hundred seventy-one".