4250398857 has 16 divisors (see below), whose sum is σ = 6024544320. Its totient is φ = 2657880000.

The previous prime is 4250398853. The next prime is 4250398877. The reversal of 4250398857 is 7588930524.

It is not a de Polignac number, because 4250398857 - 2² = 4250398853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4250398853) 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 15 ways as a sum of consecutive naturals, for example, 363394 + ... + 374907.

It is an arithmetic number, because the mean of its divisors is an integer number (376534020).

Almost surely, 2^4250398857 is an apocalyptic number.

It is an amenable number.

4250398857 is a deficient number, since it is larger than the sum of its proper divisors (1774145463).

4250398857 is a wasteful number, since it uses less digits than its factorization.

4250398857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738424.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The square root of 4250398857 is about 65195.0830738024. The cubic root of 4250398857 is about 1619.8565712828.

The spelling of 4250398857 in words is "four billion, two hundred fifty million, three hundred ninety-eight thousand, eight hundred fifty-seven".