2381297653 has 4 divisors (see below), whose sum is σ = 2721483040. Its totient is φ = 2041112268.

The previous prime is 2381297651. The next prime is 2381297777. The reversal of 2381297653 is 3567921832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2381297653 - 2¹ = 2381297651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381297651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170092683 + ... + 170092696.

It is an arithmetic number, because the mean of its divisors is an integer number (680370760).

Almost surely, 2^2381297653 is an apocalyptic number.

It is an amenable number.

2381297653 is a deficient number, since it is larger than the sum of its proper divisors (340185387).

2381297653 is an equidigital number, since it uses as much as digits as its factorization.

2381297653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340185386.

The product of its digits is 544320, while the sum is 46.

The square root of 2381297653 is about 48798.5415048442. The cubic root of 2381297653 is about 1335.3790584776.

The spelling of 2381297653 in words is "two billion, three hundred eighty-one million, two hundred ninety-seven thousand, six hundred fifty-three".