2051330653 has 8 divisors (see below), whose sum is σ = 2230700472. Its totient is φ = 1878483456.

The previous prime is 2051330627. The next prime is 2051330681. The reversal of 2051330653 is 3560331502.

It can be written as a sum of positive squares in 4 ways, for example, as 859838329 + 1191492324 = 29323^2 + 34518^2 .

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 2051330653 - 2¹³ = 2051322461 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 (2051330153) 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, 1630000 + ... + 1631257.

It is an arithmetic number, because the mean of its divisors is an integer number (278837559).

Almost surely, 2^2051330653 is an apocalyptic number.

It is an amenable number.

2051330653 is a deficient number, since it is larger than the sum of its proper divisors (179369819).

2051330653 is a wasteful number, since it uses less digits than its factorization.

2051330653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261311.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 2051330653 is about 45291.6179110440. The cubic root of 2051330653 is about 1270.6088908641.

The spelling of 2051330653 in words is "two billion, fifty-one million, three hundred thirty thousand, six hundred fifty-three".