381250366513 has 4 divisors (see below), whose sum is σ = 382769292528. Its totient is φ = 379731440500.

The previous prime is 381250366451. The next prime is 381250366531. The reversal of 381250366513 is 315663052183.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 381250366513 - 2¹⁷ = 381250235441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381250366513.

It is not an unprimeable number, because it can be changed into a prime (381250376513) 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, 759462631 + ... + 759463132.

It is an arithmetic number, because the mean of its divisors is an integer number (95692323132).

Almost surely, 2^381250366513 is an apocalyptic number.

It is an amenable number.

381250366513 is a deficient number, since it is larger than the sum of its proper divisors (1518926015).

381250366513 is a wasteful number, since it uses less digits than its factorization.

381250366513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518926014.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 381250366513 in words is "three hundred eighty-one billion, two hundred fifty million, three hundred sixty-six thousand, five hundred thirteen".