2840307513 has 64 divisors (see below), whose sum is σ = 4226826240. Its totient is φ = 1690444800.

The previous prime is 2840307499. The next prime is 2840307539. The reversal of 2840307513 is 3157030482.

It is not a de Polignac number, because 2840307513 - 2¹⁰ = 2840306489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2840307593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12190045 + ... + 12190277.

It is an arithmetic number, because the mean of its divisors is an integer number (66044160).

Almost surely, 2^2840307513 is an apocalyptic number.

2840307513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2840307513 is a deficient number, since it is larger than the sum of its proper divisors (1386518727).

2840307513 is a wasteful number, since it uses less digits than its factorization.

2840307513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2840307513 is about 53294.5354891100. The cubic root of 2840307513 is about 1416.1908612107.

Adding to 2840307513 its reverse (3157030482), we get a palindrome (5997337995).

The spelling of 2840307513 in words is "two billion, eight hundred forty million, three hundred seven thousand, five hundred thirteen".