4742209251 has 24 divisors (see below), whose sum is σ = 7384112736. Its totient is φ = 2915377920.

The previous prime is 4742209247. The next prime is 4742209271. The reversal of 4742209251 is 1529022474.

It is not a de Polignac number, because 4742209251 - 2² = 4742209247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4742209201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100971 + ... + 140283.

It is an arithmetic number, because the mean of its divisors is an integer number (307671364).

Almost surely, 2^4742209251 is an apocalyptic number.

4742209251 is a deficient number, since it is larger than the sum of its proper divisors (2641903485).

4742209251 is a wasteful number, since it uses less digits than its factorization.

4742209251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40363 (or 40360 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4742209251 is about 68863.7005322833. The cubic root of 4742209251 is about 1680.0681721911.

The spelling of 4742209251 in words is "four billion, seven hundred forty-two million, two hundred nine thousand, two hundred fifty-one".