381519002 has 8 divisors (see below), whose sum is σ = 572416212. Its totient is φ = 190713600.

The previous prime is 381519001. The next prime is 381519023. The reversal of 381519002 is 200915183.

It can be written as a sum of positive squares in 2 ways, for example, as 377874721 + 3644281 = 19439^2 + 1909^2 .

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

It is not an unprimeable number, because it can be changed into a prime (381519001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11399 + ... + 29882.

Almost surely, 2^381519002 is an apocalyptic number.

381519002 is a deficient number, since it is larger than the sum of its proper divisors (190897210).

381519002 is a wasteful number, since it uses less digits than its factorization.

381519002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45904.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 381519002 is about 19532.5114104664. The cubic root of 381519002 is about 725.2794813091.

The spelling of 381519002 in words is "three hundred eighty-one million, five hundred nineteen thousand, two".