4401521287 has 2 divisors, whose sum is σ = 4401521288. Its totient is φ = 4401521286.

The previous prime is 4401521251. The next prime is 4401521297. The reversal of 4401521287 is 7821251044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4401521287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401521207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200760643 + 2200760644.

It is an arithmetic number, because the mean of its divisors is an integer number (2200760644).

Almost surely, 2^4401521287 is an apocalyptic number.

4401521287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401521287 is an equidigital number, since it uses as much as digits as its factorization.

4401521287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 4401521287 is about 66343.9619483190. The cubic root of 4401521287 is about 1638.8313713795.

The spelling of 4401521287 in words is "four billion, four hundred one million, five hundred twenty-one thousand, two hundred eighty-seven".