4247827497 has 6 divisors (see below), whose sum is σ = 6135750842. Its totient is φ = 2831884992.

The previous prime is 4247827391. The next prime is 4247827603. The reversal of 4247827497 is 7947287424.

4247827497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4247827391) and next prime (4247827603).

It can be written as a sum of positive squares in only one way, i.e., 3885153561 + 362673936 = 62331^2 + 19044^2 .

It is not a de Polignac number, because 4247827497 - 2¹⁹ = 4247303209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4247827097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235990408 + ... + 235990425.

Almost surely, 2^4247827497 is an apocalyptic number.

It is an amenable number.

4247827497 is a deficient number, since it is larger than the sum of its proper divisors (1887923345).

4247827497 is a wasteful number, since it uses less digits than its factorization.

4247827497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471980839 (or 471980836 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 4247827497 is about 65175.3595847388. The cubic root of 4247827497 is about 1619.5298509944.

It can be divided in two parts, 4247 and 827497, that added together give a square (831744 = 912²).

The spelling of 4247827497 in words is "four billion, two hundred forty-seven million, eight hundred twenty-seven thousand, four hundred ninety-seven".