2153378347 has 2 divisors, whose sum is σ = 2153378348. Its totient is φ = 2153378346.

The previous prime is 2153378303. The next prime is 2153378363. The reversal of 2153378347 is 7438733512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2153378347 - 2¹⁹ = 2152854059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153378377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076689173 + 1076689174.

It is an arithmetic number, because the mean of its divisors is an integer number (1076689174).

Almost surely, 2^2153378347 is an apocalyptic number.

2153378347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153378347 is an equidigital number, since it uses as much as digits as its factorization.

2153378347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 2153378347 is about 46404.5078305977. The cubic root of 2153378347 is about 1291.3385435025.

The spelling of 2153378347 in words is "two billion, one hundred fifty-three million, three hundred seventy-eight thousand, three hundred forty-seven".