4252143626 has 4 divisors (see below), whose sum is σ = 6378215442. Its totient is φ = 2126071812.

The previous prime is 4252143619. The next prime is 4252143667. The reversal of 4252143626 is 6263412524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3943965601 + 308178025 = 62801^2 + 17555^2 .

It is a super-2 number, since 2×4252143626² = 36161450832264855752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063035905 + ... + 1063035908.

Almost surely, 2^4252143626 is an apocalyptic number.

4252143626 is a deficient number, since it is larger than the sum of its proper divisors (2126071816).

4252143626 is a wasteful number, since it uses less digits than its factorization.

4252143626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126071815.

The product of its digits is 69120, while the sum is 35.

The square root of 4252143626 is about 65208.4628403400. The cubic root of 4252143626 is about 1620.0781888289.

The spelling of 4252143626 in words is "four billion, two hundred fifty-two million, one hundred forty-three thousand, six hundred twenty-six".