4251047626 has 12 divisors (see below), whose sum is σ = 7417644498. Its totient is φ = 1821877512.

The previous prime is 4251047573. The next prime is 4251047641. The reversal of 4251047626 is 6267401524.

It can be written as a sum of positive squares in only one way, i.e., 4206171025 + 44876601 = 64855^2 + 6699^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 21688921 + ... + 21689116.

Almost surely, 2^4251047626 is an apocalyptic number.

4251047626 is a deficient number, since it is larger than the sum of its proper divisors (3166596872).

4251047626 is a wasteful number, since it uses less digits than its factorization.

4251047626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43378053 (or 43378046 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 4251047626 is about 65200.0584815689. The cubic root of 4251047626 is about 1619.9389838829.

The spelling of 4251047626 in words is "four billion, two hundred fifty-one million, forty-seven thousand, six hundred twenty-six".