4650621449 has 2 divisors, whose sum is σ = 4650621450. Its totient is φ = 4650621448.

The previous prime is 4650621401. The next prime is 4650621463. The reversal of 4650621449 is 9441260564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3823196224 + 827425225 = 61832^2 + 28765^2 .

It is a cyclic number.

It is not a de Polignac number, because 4650621449 - 2³² = 355654153 is a prime.

It is not a weakly prime, because it can be changed into another prime (4650621499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325310724 + 2325310725.

It is an arithmetic number, because the mean of its divisors is an integer number (2325310725).

Almost surely, 2^4650621449 is an apocalyptic number.

It is an amenable number.

4650621449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4650621449 is an equidigital number, since it uses as much as digits as its factorization.

4650621449 is an evil number, because the sum of its binary digits is even.

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

The square root of 4650621449 is about 68195.4650178441. The cubic root of 4650621449 is about 1669.1818872808.

The spelling of 4650621449 in words is "four billion, six hundred fifty million, six hundred twenty-one thousand, four hundred forty-nine".