4287894749 has 4 divisors (see below), whose sum is σ = 4513573440. Its totient is φ = 4062216060.

The previous prime is 4287894727. The next prime is 4287894811. The reversal of 4287894749 is 9474987824.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4287894749 - 2¹² = 4287890653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4287894691 and 4287894700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287896749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112839317 + ... + 112839354.

It is an arithmetic number, because the mean of its divisors is an integer number (1128393360).

Almost surely, 2^4287894749 is an apocalyptic number.

It is an amenable number.

4287894749 is a deficient number, since it is larger than the sum of its proper divisors (225678691).

4287894749 is a wasteful number, since it uses less digits than its factorization.

4287894749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225678690.

The product of its digits is 32514048, while the sum is 62.

The square root of 4287894749 is about 65482.0185165363. The cubic root of 4287894749 is about 1624.6059477188.

The spelling of 4287894749 in words is "four billion, two hundred eighty-seven million, eight hundred ninety-four thousand, seven hundred forty-nine".