4129990237 has 2 divisors, whose sum is σ = 4129990238. Its totient is φ = 4129990236.

The previous prime is 4129990223. The next prime is 4129990247. The reversal of 4129990237 is 7320999214.

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., 4128576516 + 1413721 = 64254^2 + 1189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4129990237 is a prime.

It is a super-3 number, since 3×4129990237³ (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 (4129990247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064995118 + 2064995119.

It is an arithmetic number, because the mean of its divisors is an integer number (2064995119).

Almost surely, 2^4129990237 is an apocalyptic number.

It is an amenable number.

4129990237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4129990237 is an equidigital number, since it uses as much as digits as its factorization.

4129990237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 4129990237 is about 64265.0000933634. Note that the first 4 decimals coincide. The cubic root of 4129990237 is about 1604.4136258561.

The spelling of 4129990237 in words is "four billion, one hundred twenty-nine million, nine hundred ninety thousand, two hundred thirty-seven".