4929145409 has 2 divisors, whose sum is σ = 4929145410. Its totient is φ = 4929145408.

The previous prime is 4929145369. The next prime is 4929145411. The reversal of 4929145409 is 9045419294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4847640625 + 81504784 = 69625^2 + 9028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4929145409 is a prime.

Together with 4929145411, 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 (4929145489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2464572704 + 2464572705.

It is an arithmetic number, because the mean of its divisors is an integer number (2464572705).

Almost surely, 2^4929145409 is an apocalyptic number.

It is an amenable number.

4929145409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4929145409 is an equidigital number, since it uses as much as digits as its factorization.

4929145409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 4929145409 is about 70207.8728420111. The cubic root of 4929145409 is about 1701.8601793772.

The spelling of 4929145409 in words is "four billion, nine hundred twenty-nine million, one hundred forty-five thousand, four hundred nine".