2152343761 has 4 divisors (see below), whose sum is σ = 2210515252. Its totient is φ = 2094172272.

The previous prime is 2152343741. The next prime is 2152343773. The reversal of 2152343761 is 1673432512.

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 2092513536 + 59830225 = 45744^2 + 7735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152343761 - 2⁵ = 2152343729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152343741) 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, 29085690 + ... + 29085763.

It is an arithmetic number, because the mean of its divisors is an integer number (552628813).

Almost surely, 2^2152343761 is an apocalyptic number.

It is an amenable number.

2152343761 is a deficient number, since it is larger than the sum of its proper divisors (58171491).

2152343761 is an equidigital number, since it uses as much as digits as its factorization.

2152343761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58171490.

The product of its digits is 30240, while the sum is 34.

The square root of 2152343761 is about 46393.3590182905. The cubic root of 2152343761 is about 1291.1317034308.

The spelling of 2152343761 in words is "two billion, one hundred fifty-two million, three hundred forty-three thousand, seven hundred sixty-one".