381369491711 has 8 divisors (see below), whose sum is σ = 418454769600. Its totient is φ = 345391237152.

The previous prime is 381369491627. The next prime is 381369491809. The reversal of 381369491711 is 117194963183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381369491711 - 2¹⁰ = 381369490687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381369491011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276755111 + ... + 276756488.

It is an arithmetic number, because the mean of its divisors is an integer number (52306846200).

Almost surely, 2^381369491711 is an apocalyptic number.

381369491711 is a deficient number, since it is larger than the sum of its proper divisors (37085277889).

381369491711 is a wasteful number, since it uses less digits than its factorization.

381369491711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553511665.

The product of its digits is 979776, while the sum is 53.

The spelling of 381369491711 in words is "three hundred eighty-one billion, three hundred sixty-nine million, four hundred ninety-one thousand, seven hundred eleven".