2371390345 has 4 divisors (see below), whose sum is σ = 2845668420. Its totient is φ = 1897112272.

The previous prime is 2371390313. The next prime is 2371390369. The reversal of 2371390345 is 5430931732.

It is a happy number.

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 407393856 + 1963996489 = 20184^2 + 44317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2371390345 - 2⁵ = 2371390313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237139030 + ... + 237139039.

It is an arithmetic number, because the mean of its divisors is an integer number (711417105).

Almost surely, 2^2371390345 is an apocalyptic number.

It is an amenable number.

2371390345 is a deficient number, since it is larger than the sum of its proper divisors (474278075).

2371390345 is an equidigital number, since it uses as much as digits as its factorization.

2371390345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474278074.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 2371390345 is about 48696.9233627752. The cubic root of 2371390345 is about 1333.5245511519.

The spelling of 2371390345 in words is "two billion, three hundred seventy-one million, three hundred ninety thousand, three hundred forty-five".