381417430389 has 8 divisors (see below), whose sum is σ = 508569361440. Its totient is φ = 254271893136.

The previous prime is 381417430379. The next prime is 381417430391. The reversal of 381417430389 is 983034714183.

It is a happy number.

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

It is not a de Polignac number, because 381417430389 - 2¹⁷ = 381417299317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381417430349) 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, 1457479 + ... + 1699140.

It is an arithmetic number, because the mean of its divisors is an integer number (63571170180).

Almost surely, 2^381417430389 is an apocalyptic number.

It is an amenable number.

381417430389 is a deficient number, since it is larger than the sum of its proper divisors (127151931051).

381417430389 is a wasteful number, since it uses less digits than its factorization.

381417430389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196899.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 381417430389 in words is "three hundred eighty-one billion, four hundred seventeen million, four hundred thirty thousand, three hundred eighty-nine".