2071496813 has 4 divisors (see below), whose sum is σ = 2071683708. Its totient is φ = 2071309920.

The previous prime is 2071496809. The next prime is 2071496851. The reversal of 2071496813 is 3186941702.

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 889649929 + 1181846884 = 29827^2 + 34378^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071496813 - 2² = 2071496809 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 (2071496513) 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 3 ways as a sum of consecutive naturals, for example, 75698 + ... + 99363.

It is an arithmetic number, because the mean of its divisors is an integer number (517920927).

Almost surely, 2^2071496813 is an apocalyptic number.

It is an amenable number.

2071496813 is a deficient number, since it is larger than the sum of its proper divisors (186895).

2071496813 is a wasteful number, since it uses less digits than its factorization.

2071496813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186894.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2071496813 is about 45513.6991794778. The cubic root of 2071496813 is about 1274.7590087649.

The spelling of 2071496813 in words is "two billion, seventy-one million, four hundred ninety-six thousand, eight hundred thirteen".