2013345064525 has 6 divisors (see below), whose sum is σ = 2496547880042. Its totient is φ = 1610676051600.

The previous prime is 2013345064499. The next prime is 2013345064571. The reversal of 2013345064525 is 5254605433102.

It can be written as a sum of positive squares in 3 ways, for example, as 91231786116 + 1922113278409 = 302046^2 + 1386403^2 .

It is not a de Polignac number, because 2013345064525 - 2²¹ = 2013342967373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40266901266 + ... + 40266901315.

Almost surely, 2^{2013345064525} is an apocalyptic number.

2013345064525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2013345064525 is a deficient number, since it is larger than the sum of its proper divisors (483202815517).

2013345064525 is an equidigital number, since it uses as much as digits as its factorization.

2013345064525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80533802591 (or 80533802586 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 2013345064525 in words is "two trillion, thirteen billion, three hundred forty-five million, sixty-four thousand, five hundred twenty-five".