381032573818 has 8 divisors (see below), whose sum is σ = 615514157748. Its totient is φ = 175861187904.

The previous prime is 381032573807. The next prime is 381032573837. The reversal of 381032573818 is 818375230183.

It can be written as a sum of positive squares in 2 ways, for example, as 368906820129 + 12125753689 = 607377^2 + 110117^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7327549471 + ... + 7327549522.

Almost surely, 2^381032573818 is an apocalyptic number.

381032573818 is a deficient number, since it is larger than the sum of its proper divisors (234481583930).

381032573818 is a wasteful number, since it uses less digits than its factorization.

381032573818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14655099008.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 381032573818 in words is "three hundred eighty-one billion, thirty-two million, five hundred seventy-three thousand, eight hundred eighteen".