3405020453 has 8 divisors (see below), whose sum is σ = 3439320768. Its totient is φ = 3370744224.

The previous prime is 3405020431. The next prime is 3405020459. The reversal of 3405020453 is 3540205043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3405020453 - 2¹² = 3405016357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405020459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445601 + ... + 453177.

It is an arithmetic number, because the mean of its divisors is an integer number (429915096).

Almost surely, 2^3405020453 is an apocalyptic number.

It is an amenable number.

3405020453 is a deficient number, since it is larger than the sum of its proper divisors (34300315).

3405020453 is a wasteful number, since it uses less digits than its factorization.

3405020453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 3405020453 is about 58352.5530975295. The cubic root of 3405020453 is about 1504.4343526120.

Adding to 3405020453 its reverse (3540205043), we get a palindrome (6945225496).

The spelling of 3405020453 in words is "three billion, four hundred five million, twenty thousand, four hundred fifty-three".