4004013287 has 2 divisors, whose sum is σ = 4004013288. Its totient is φ = 4004013286.

The previous prime is 4004013271. The next prime is 4004013311. The reversal of 4004013287 is 7823104004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4004013287 - 2⁴ = 4004013271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4004013217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002006643 + 2002006644.

It is an arithmetic number, because the mean of its divisors is an integer number (2002006644).

Almost surely, 2^4004013287 is an apocalyptic number.

4004013287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004013287 is an equidigital number, since it uses as much as digits as its factorization.

4004013287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 4004013287 is about 63277.2730686145. The cubic root of 4004013287 is about 1587.9317658493.

The spelling of 4004013287 in words is "four billion, four million, thirteen thousand, two hundred eighty-seven".