4290257861 has 8 divisors (see below), whose sum is σ = 4305052800. Its totient is φ = 4275479440.

The previous prime is 4290257843. The next prime is 4290257869. The reversal of 4290257861 is 1687520924.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4290257861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290257869) 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 7 ways as a sum of consecutive naturals, for example, 729071 + ... + 734931.

It is an arithmetic number, because the mean of its divisors is an integer number (538131600).

Almost surely, 2^4290257861 is an apocalyptic number.

It is an amenable number.

4290257861 is a deficient number, since it is larger than the sum of its proper divisors (14794939).

4290257861 is a wasteful number, since it uses less digits than its factorization.

4290257861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 4290257861 is about 65500.0600076061. The cubic root of 4290257861 is about 1624.9043397416.

The spelling of 4290257861 in words is "four billion, two hundred ninety million, two hundred fifty-seven thousand, eight hundred sixty-one".