380515764421 has 16 divisors (see below), whose sum is σ = 412346254320. Its totient is φ = 349053788160.

The previous prime is 380515764407. The next prime is 380515764463. The reversal of 380515764421 is 124467515083.

It can be written as a sum of positive squares in 8 ways, for example, as 102880562500 + 277635201921 = 320750^2 + 526911^2 .

It is a cyclic number.

It is not a de Polignac number, because 380515764421 - 2¹⁵ = 380515731653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380515764401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3257991 + ... + 3372763.

It is an arithmetic number, because the mean of its divisors is an integer number (25771640895).

Almost surely, 2^380515764421 is an apocalyptic number.

It is an amenable number.

380515764421 is a deficient number, since it is larger than the sum of its proper divisors (31830489899).

380515764421 is a wasteful number, since it uses less digits than its factorization.

380515764421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116376.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 380515764421 in words is "three hundred eighty billion, five hundred fifteen million, seven hundred sixty-four thousand, four hundred twenty-one".