2154354347 has 2 divisors, whose sum is σ = 2154354348. Its totient is φ = 2154354346.

The previous prime is 2154354289. The next prime is 2154354353. The reversal of 2154354347 is 7434534512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2154354347 - 2⁸ = 2154354091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2154354347.

It is not a weakly prime, because it can be changed into another prime (2154354047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077177173 + 1077177174.

It is an arithmetic number, because the mean of its divisors is an integer number (1077177174).

Almost surely, 2^2154354347 is an apocalyptic number.

2154354347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154354347 is an equidigital number, since it uses as much as digits as its factorization.

2154354347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 38.

The square root of 2154354347 is about 46415.0228589839. The cubic root of 2154354347 is about 1291.5336100212.

Adding to 2154354347 its reverse (7434534512), we get a palindrome (9588888859).

The spelling of 2154354347 in words is "two billion, one hundred fifty-four million, three hundred fifty-four thousand, three hundred forty-seven".