4002087049 has 2 divisors, whose sum is σ = 4002087050. Its totient is φ = 4002087048.

The previous prime is 4002086999. The next prime is 4002087053. The reversal of 4002087049 is 9407802004.

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., 3384912400 + 617174649 = 58180^2 + 24843^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002087049 - 2¹¹ = 4002085001 is a prime.

It is not a weakly prime, because it can be changed into another prime (4002087949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001043524 + 2001043525.

It is an arithmetic number, because the mean of its divisors is an integer number (2001043525).

Almost surely, 2^4002087049 is an apocalyptic number.

It is an amenable number.

4002087049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002087049 is an equidigital number, since it uses as much as digits as its factorization.

4002087049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4002087049 is about 63262.0506227865. The cubic root of 4002087049 is about 1587.6770859472.

The spelling of 4002087049 in words is "four billion, two million, eighty-seven thousand, forty-nine".