380634543357 has 4 divisors (see below), whose sum is σ = 507512724480. Its totient is φ = 253756362236.

The previous prime is 380634543343. The next prime is 380634543389. The reversal of 380634543357 is 753345436083.

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, and also an emirpimes, since its reverse is a distinct semiprime: 753345436083 = 3 ⋅251115145361.

It is a cyclic number.

It is not a de Polignac number, because 380634543357 - 2¹⁰ = 380634542333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380634543337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63439090557 + ... + 63439090562.

It is an arithmetic number, because the mean of its divisors is an integer number (126878181120).

Almost surely, 2^380634543357 is an apocalyptic number.

It is an amenable number.

380634543357 is a deficient number, since it is larger than the sum of its proper divisors (126878181123).

380634543357 is a wasteful number, since it uses less digits than its factorization.

380634543357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126878181122.

The product of its (nonzero) digits is 10886400, while the sum is 51.

The spelling of 380634543357 in words is "three hundred eighty billion, six hundred thirty-four million, five hundred forty-three thousand, three hundred fifty-seven".