2071767613 has 4 divisors (see below), whose sum is σ = 2093126140. Its totient is φ = 2050409088.

The previous prime is 2071767587. The next prime is 2071767623. The reversal of 2071767613 is 3167671702.

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 1159606809 + 912160804 = 34053^2 + 30202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2071767613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071767623) 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, 10679118 + ... + 10679311.

It is an arithmetic number, because the mean of its divisors is an integer number (523281535).

Almost surely, 2^2071767613 is an apocalyptic number.

It is an amenable number.

2071767613 is a deficient number, since it is larger than the sum of its proper divisors (21358527).

2071767613 is an equidigital number, since it uses as much as digits as its factorization.

2071767613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21358526.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 2071767613 is about 45516.6740107403. The cubic root of 2071767613 is about 1274.8145547025.

The spelling of 2071767613 in words is "two billion, seventy-one million, seven hundred sixty-seven thousand, six hundred thirteen".