4251445487 has 2 divisors, whose sum is σ = 4251445488. Its totient is φ = 4251445486.

The previous prime is 4251445463. The next prime is 4251445531. The reversal of 4251445487 is 7845441524.

It is an a-pointer prime, because the next prime (4251445531) can be obtained adding 4251445487 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4251445487 is a prime.

It is a congruent number.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125722743 + 2125722744.

It is an arithmetic number, because the mean of its divisors is an integer number (2125722744).

Almost surely, 2^4251445487 is an apocalyptic number.

4251445487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4251445487 is an equidigital number, since it uses as much as digits as its factorization.

4251445487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 716800, while the sum is 44.

The square root of 4251445487 is about 65203.1094887353. The cubic root of 4251445487 is about 1619.9895196954.

The spelling of 4251445487 in words is "four billion, two hundred fifty-one million, four hundred forty-five thousand, four hundred eighty-seven".