2664351536513 has 8 divisors (see below), whose sum is σ = 2678371847688. Its totient is φ = 2650333446144.

The previous prime is 2664351536411. The next prime is 2664351536527. The reversal of 2664351536513 is 3156351534662.

It can be written as a sum of positive squares in 4 ways, for example, as 780902713969 + 1883448822544 = 883687^2 + 1372388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2664351536513 - 2¹⁸ = 2664351274369 is a prime.

It is a super-2 number, since 2×2664351536513² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664351536113) 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, 1878545 + ... + 2976177.

It is an arithmetic number, because the mean of its divisors is an integer number (334796480961).

Almost surely, 2^{2664351536513} is an apocalyptic number.

It is an amenable number.

2664351536513 is a deficient number, since it is larger than the sum of its proper divisors (14020311175).

2664351536513 is a wasteful number, since it uses less digits than its factorization.

2664351536513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110403.

The product of its digits is 5832000, while the sum is 50.

The spelling of 2664351536513 in words is "two trillion, six hundred sixty-four billion, three hundred fifty-one million, five hundred thirty-six thousand, five hundred thirteen".