2002160749 has 4 divisors (see below), whose sum is σ = 2050993980. Its totient is φ = 1953327520.

The previous prime is 2002160729. The next prime is 2002160767. The reversal of 2002160749 is 9470612002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 437562724 + 1564598025 = 20918^2 + 39555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002160749 - 2¹³ = 2002152557 is a prime.

It is a super-3 number, since 3×2002160749³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002160749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002160729) 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, 24416554 + ... + 24416635.

It is an arithmetic number, because the mean of its divisors is an integer number (512748495).

Almost surely, 2^2002160749 is an apocalyptic number.

It is an amenable number.

2002160749 is a deficient number, since it is larger than the sum of its proper divisors (48833231).

2002160749 is an equidigital number, since it uses as much as digits as its factorization.

2002160749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48833230.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2002160749 is about 44745.5109368526. The cubic root of 2002160749 is about 1260.3746154520.

The spelling of 2002160749 in words is "two billion, two million, one hundred sixty thousand, seven hundred forty-nine".