2061442453 has 4 divisors (see below), whose sum is σ = 2355934240. Its totient is φ = 1766950668.

The previous prime is 2061442451. The next prime is 2061442463. The reversal of 2061442453 is 3542441602.

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 not a de Polignac number, because 2061442453 - 2¹ = 2061442451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061442451) 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, 147245883 + ... + 147245896.

It is an arithmetic number, because the mean of its divisors is an integer number (588983560).

Almost surely, 2^2061442453 is an apocalyptic number.

It is an amenable number.

2061442453 is a deficient number, since it is larger than the sum of its proper divisors (294491787).

2061442453 is an equidigital number, since it uses as much as digits as its factorization.

2061442453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294491786.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2061442453 is about 45403.1106092964. The cubic root of 2061442453 is about 1272.6932435155.

The spelling of 2061442453 in words is "two billion, sixty-one million, four hundred forty-two thousand, four hundred fifty-three".