4272813997 has 4 divisors (see below), whose sum is σ = 4282083036. Its totient is φ = 4263544960.

The previous prime is 4272813959. The next prime is 4272814001. The reversal of 4272813997 is 7993182724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2677131081 + 1595682916 = 51741^2 + 39946^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272813997 - 2¹⁹ = 4272289709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272813907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4633828 + ... + 4634749.

It is an arithmetic number, because the mean of its divisors is an integer number (1070520759).

Almost surely, 2^4272813997 is an apocalyptic number.

It is an amenable number.

4272813997 is a deficient number, since it is larger than the sum of its proper divisors (9269039).

4272813997 is an equidigital number, since it uses as much as digits as its factorization.

4272813997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9269038.

The product of its digits is 1524096, while the sum is 52.

The square root of 4272813997 is about 65366.7652328001. The cubic root of 4272813997 is about 1622.6991022068.

The spelling of 4272813997 in words is "four billion, two hundred seventy-two million, eight hundred thirteen thousand, nine hundred ninety-seven".