380082801521 has 4 divisors (see below), whose sum is σ = 380757904752. Its totient is φ = 379407698292.

The previous prime is 380082801503. The next prime is 380082801559. The reversal of 380082801521 is 125108280083.

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 380082801521 - 2⁶ = 380082801457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380082801821) 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, 337550771 + ... + 337551896.

It is an arithmetic number, because the mean of its divisors is an integer number (95189476188).

Almost surely, 2^380082801521 is an apocalyptic number.

It is an amenable number.

380082801521 is a deficient number, since it is larger than the sum of its proper divisors (675103231).

380082801521 is an equidigital number, since it uses as much as digits as its factorization.

380082801521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675103230.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 380082801521 in words is "three hundred eighty billion, eighty-two million, eight hundred one thousand, five hundred twenty-one".