4099947029 has 2 divisors, whose sum is σ = 4099947030. Its totient is φ = 4099947028.

The previous prime is 4099946971. The next prime is 4099947031. The reversal of 4099947029 is 9207499904.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4042034929 + 57912100 = 63577^2 + 7610^2 .

It is a cyclic number.

It is not a de Polignac number, because 4099947029 - 2¹² = 4099942933 is a prime.

Together with 4099947031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4099937029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049973514 + 2049973515.

It is an arithmetic number, because the mean of its divisors is an integer number (2049973515).

Almost surely, 2^4099947029 is an apocalyptic number.

It is an amenable number.

4099947029 is a deficient number, since it is larger than the sum of its proper divisors (1).

4099947029 is an equidigital number, since it uses as much as digits as its factorization.

4099947029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 4099947029 is about 64030.8287389754. The cubic root of 4099947029 is about 1600.5137710746.

The spelling of 4099947029 in words is "four billion, ninety-nine million, nine hundred forty-seven thousand, twenty-nine".