4909649071 has 2 divisors, whose sum is σ = 4909649072. Its totient is φ = 4909649070.

The previous prime is 4909649051. The next prime is 4909649081. The reversal of 4909649071 is 1709469094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4909649071 - 2¹⁹ = 4909124783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4909649051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2454824535 + 2454824536.

It is an arithmetic number, because the mean of its divisors is an integer number (2454824536).

Almost surely, 2^4909649071 is an apocalyptic number.

4909649071 is a deficient number, since it is larger than the sum of its proper divisors (1).

4909649071 is an equidigital number, since it uses as much as digits as its factorization.

4909649071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 4909649071 is about 70068.8880388436. Note that the first 3 decimals coincide. The cubic root of 4909649071 is about 1699.6134150950.

The spelling of 4909649071 in words is "four billion, nine hundred nine million, six hundred forty-nine thousand, seventy-one".