381437205227 has 6 divisors (see below), whose sum is σ = 413035553772. Its totient is φ = 352095881592.

The previous prime is 381437205181. The next prime is 381437205241. The reversal of 381437205227 is 722502734183.

It is a de Polignac number, because none of the positive numbers 2^k-381437205227 is a prime.

It is a super-2 number, since 2×381437205227² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381437204227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128512273 + ... + 1128512610.

It is an arithmetic number, because the mean of its divisors is an integer number (68839258962).

Almost surely, 2^381437205227 is an apocalyptic number.

381437205227 is a deficient number, since it is larger than the sum of its proper divisors (31598348545).

381437205227 is a wasteful number, since it uses less digits than its factorization.

381437205227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257024909 (or 2257024896 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 381437205227 in words is "three hundred eighty-one billion, four hundred thirty-seven million, two hundred five thousand, two hundred twenty-seven".