380621274653 has 4 divisors (see below), whose sum is σ = 383045614140. Its totient is φ = 378196935168.

The previous prime is 380621274637. The next prime is 380621274659. The reversal of 380621274653 is 356472126083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208518263044 + 172103011609 = 456638^2 + 414853^2 .

It is a cyclic number.

It is not a de Polignac number, because 380621274653 - 2⁴ = 380621274637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380621274598 and 380621274607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380621274659) 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, 1212169508 + ... + 1212169821.

It is an arithmetic number, because the mean of its divisors is an integer number (95761403535).

Almost surely, 2^380621274653 is an apocalyptic number.

It is an amenable number.

380621274653 is a deficient number, since it is larger than the sum of its proper divisors (2424339487).

380621274653 is a wasteful number, since it uses less digits than its factorization.

380621274653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424339486.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 380621274653 in words is "three hundred eighty billion, six hundred twenty-one million, two hundred seventy-four thousand, six hundred fifty-three".