4129990247 has 2 divisors, whose sum is σ = 4129990248. Its totient is φ = 4129990246.

The previous prime is 4129990237. The next prime is 4129990261. The reversal of 4129990247 is 7420999214.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4129990247 is a prime.

It is a super-3 number, since 3×4129990247³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4129990237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064995123 + 2064995124.

It is an arithmetic number, because the mean of its divisors is an integer number (2064995124).

Almost surely, 2^4129990247 is an apocalyptic number.

4129990247 is a deficient number, since it is larger than the sum of its proper divisors (1).

4129990247 is an equidigital number, since it uses as much as digits as its factorization.

4129990247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 4129990247 is about 64265.0001711663. Note that the first 3 decimals coincide. The cubic root of 4129990247 is about 1604.4136271510.

The spelling of 4129990247 in words is "four billion, one hundred twenty-nine million, nine hundred ninety thousand, two hundred forty-seven".