2347520556361 has 8 divisors (see below), whose sum is σ = 2356081137864. Its totient is φ = 2338961439360.

The previous prime is 2347520556343. The next prime is 2347520556379. The reversal of 2347520556361 is 1636550257432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2347520556343) and next prime (2347520556379).

It can be written as a sum of positive squares in 4 ways, for example, as 637817863225 + 1709702693136 = 798635^2 + 1307556^2 .

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 2347520556361 - 2¹³ = 2347520548169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2347520553361) 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, 2898571 + ... + 3618943.

It is an arithmetic number, because the mean of its divisors is an integer number (294510142233).

Almost surely, 2^{2347520556361} is an apocalyptic number.

It is an amenable number.

2347520556361 is a deficient number, since it is larger than the sum of its proper divisors (8560581503).

2347520556361 is a wasteful number, since it uses less digits than its factorization.

2347520556361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732251.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 2347520556361 in words is "two trillion, three hundred forty-seven billion, five hundred twenty million, five hundred fifty-six thousand, three hundred sixty-one".