2053216369 has 4 divisors (see below), whose sum is σ = 2054182000. Its totient is φ = 2052250740.

The previous prime is 2053216367. The next prime is 2053216387. The reversal of 2053216369 is 9636123502.

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 2053216369 - 2¹ = 2053216367 is a prime.

It is a super-2 number, since 2×2053216369² = 8431394915859088322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053216367) 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, 479619 + ... + 483880.

It is an arithmetic number, because the mean of its divisors is an integer number (513545500).

Almost surely, 2^2053216369 is an apocalyptic number.

It is an amenable number.

2053216369 is a deficient number, since it is larger than the sum of its proper divisors (965631).

2053216369 is an equidigital number, since it uses as much as digits as its factorization.

2053216369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965630.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 2053216369 is about 45312.4306233952. The cubic root of 2053216369 is about 1270.9981136186.

The spelling of 2053216369 in words is "two billion, fifty-three million, two hundred sixteen thousand, three hundred sixty-nine".