384481817386 has 4 divisors (see below), whose sum is σ = 576722726082. Its totient is φ = 192240908692.

The previous prime is 384481817371. The next prime is 384481817443. The reversal of 384481817386 is 683718184483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 378132755625 + 6349061761 = 614925^2 + 79681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96120454345 + ... + 96120454348.

Almost surely, 2^384481817386 is an apocalyptic number.

384481817386 is a deficient number, since it is larger than the sum of its proper divisors (192240908696).

384481817386 is a wasteful number, since it uses less digits than its factorization.

384481817386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192240908695.

The product of its digits is 24772608, while the sum is 61.

The spelling of 384481817386 in words is "three hundred eighty-four billion, four hundred eighty-one million, eight hundred seventeen thousand, three hundred eighty-six".