381470043 has 4 divisors (see below), whose sum is σ = 508626728. Its totient is φ = 254313360.

The previous prime is 381470039. The next prime is 381470053. The reversal of 381470043 is 340074183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340074183 = 3 ⋅113358061.

It is not a de Polignac number, because 381470043 - 2² = 381470039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381470003) 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, 63578338 + ... + 63578343.

It is an arithmetic number, because the mean of its divisors is an integer number (127156682).

Almost surely, 2^381470043 is an apocalyptic number.

381470043 is a deficient number, since it is larger than the sum of its proper divisors (127156685).

381470043 is a wasteful number, since it uses less digits than its factorization.

381470043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127156684.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 381470043 is about 19531.2581007983. The cubic root of 381470043 is about 725.2484557884.

The spelling of 381470043 in words is "three hundred eighty-one million, four hundred seventy thousand, forty-three".