2061315513 has 8 divisors (see below), whose sum is σ = 3053800800. Its totient is φ = 1374210324.

The previous prime is 2061315497. The next prime is 2061315521. The reversal of 2061315513 is 3155131602.

2061315513 is a `hidden beast` number, since 20 + 61 + 31 + 551 + 3 = 666.

It is not a de Polignac number, because 2061315513 - 2⁴ = 2061315497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 76345019 = 2061315513 / (2 + 0 + 6 + 1 + 3 + 1 + 5 + 5 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (2061315313) 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, 38172483 + ... + 38172536.

It is an arithmetic number, because the mean of its divisors is an integer number (381725100).

Almost surely, 2^2061315513 is an apocalyptic number.

It is an amenable number.

2061315513 is a deficient number, since it is larger than the sum of its proper divisors (992485287).

2061315513 is an equidigital number, since it uses as much as digits as its factorization.

2061315513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76345028 (or 76345022 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2061315513 is about 45401.7126659336. The cubic root of 2061315513 is about 1272.6671195755.

The spelling of 2061315513 in words is "two billion, sixty-one million, three hundred fifteen thousand, five hundred thirteen".