2053405369 has 4 divisors (see below), whose sum is σ = 2063137360. Its totient is φ = 2043673380.

The previous prime is 2053405351. The next prime is 2053405381. The reversal of 2053405369 is 9635043502.

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 a de Polignac number, because none of the positive numbers 2^k-2053405369 is a prime.

It is a super-2 number, since 2×2053405369² = 8432947218876052322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053402369) 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, 4865679 + ... + 4866100.

It is an arithmetic number, because the mean of its divisors is an integer number (515784340).

Almost surely, 2^2053405369 is an apocalyptic number.

It is an amenable number.

2053405369 is a deficient number, since it is larger than the sum of its proper divisors (9731991).

2053405369 is an equidigital number, since it uses as much as digits as its factorization.

2053405369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731990.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 2053405369 is about 45314.5160958384. The cubic root of 2053405369 is about 1271.0371111766.

The spelling of 2053405369 in words is "two billion, fifty-three million, four hundred five thousand, three hundred sixty-nine".