4004144237 has 2 divisors, whose sum is σ = 4004144238. Its totient is φ = 4004144236.

The previous prime is 4004144213. The next prime is 4004144251. The reversal of 4004144237 is 7324414004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3515778436 + 488365801 = 59294^2 + 22099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4004144237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4004144537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002072118 + 2002072119.

It is an arithmetic number, because the mean of its divisors is an integer number (2002072119).

Almost surely, 2^4004144237 is an apocalyptic number.

It is an amenable number.

4004144237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004144237 is an equidigital number, since it uses as much as digits as its factorization.

4004144237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 4004144237 is about 63278.3077918492. The cubic root of 4004144237 is about 1587.9490765975.

The spelling of 4004144237 in words is "four billion, four million, one hundred forty-four thousand, two hundred thirty-seven".