4247423091 has 12 divisors (see below), whose sum is σ = 6140095000. Its totient is φ = 2829340800.

The previous prime is 4247423069. The next prime is 4247423093. The reversal of 4247423091 is 1903247424.

It is not a de Polignac number, because 4247423091 - 2²³ = 4239034483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4247423093) 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 11 ways as a sum of consecutive naturals, for example, 177685 + ... + 200166.

Almost surely, 2^4247423091 is an apocalyptic number.

4247423091 is a deficient number, since it is larger than the sum of its proper divisors (1892671909).

4247423091 is a wasteful number, since it uses less digits than its factorization.

4247423091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379106 (or 379103 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4247423091 is about 65172.2570654109. The cubic root of 4247423091 is about 1619.4784546532.

The spelling of 4247423091 in words is "four billion, two hundred forty-seven million, four hundred twenty-three thousand, ninety-one".