2061453290 has 32 divisors (see below), whose sum is σ = 4005061200. Its totient is φ = 759435264.

The previous prime is 2061453271. The next prime is 2061453311. The reversal of 2061453290 is 923541602.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 619960201 + 1441493089 = 24899^2 + 37967^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40712 + ... + 76028.

Almost surely, 2^2061453290 is an apocalyptic number.

2061453290 is a deficient number, since it is larger than the sum of its proper divisors (1943607910).

2061453290 is a wasteful number, since it uses less digits than its factorization.

2061453290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35786.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2061453290 is about 45403.2299511830. The cubic root of 2061453290 is about 1272.6954736938.

Adding to 2061453290 its reverse (923541602), we get a palindrome (2984994892).

The spelling of 2061453290 in words is "two billion, sixty-one million, four hundred fifty-three thousand, two hundred ninety".