2352013323521 has 4 divisors (see below), whose sum is σ = 2490367048452. Its totient is φ = 2213659598592.

The previous prime is 2352013323497. The next prime is 2352013323547. The reversal of 2352013323521 is 1253233102532.

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 2155552512400 + 196460811121 = 1468180^2 + 443239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2352013323521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2352013323551) 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, 69176862440 + ... + 69176862473.

It is an arithmetic number, because the mean of its divisors is an integer number (622591762113).

Almost surely, 2^{2352013323521} is an apocalyptic number.

It is an amenable number.

2352013323521 is a deficient number, since it is larger than the sum of its proper divisors (138353724931).

2352013323521 is a wasteful number, since it uses less digits than its factorization.

2352013323521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138353724930.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 2352013323521 in words is "two trillion, three hundred fifty-two billion, thirteen million, three hundred twenty-three thousand, five hundred twenty-one".