4154314649 has 2 divisors, whose sum is σ = 4154314650. Its totient is φ = 4154314648.

The previous prime is 4154314643. The next prime is 4154314651. The reversal of 4154314649 is 9464134514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2486817424 + 1667497225 = 49868^2 + 40835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4154314649 is a prime.

Together with 4154314651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4154314643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077157324 + 2077157325.

It is an arithmetic number, because the mean of its divisors is an integer number (2077157325).

Almost surely, 2^4154314649 is an apocalyptic number.

It is an amenable number.

4154314649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4154314649 is an equidigital number, since it uses as much as digits as its factorization.

4154314649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 4154314649 is about 64453.9731048444. The cubic root of 4154314649 is about 1607.5573015507.

The spelling of 4154314649 in words is "four billion, one hundred fifty-four million, three hundred fourteen thousand, six hundred forty-nine".