4198071247 has 4 divisors (see below), whose sum is σ = 4198210576. Its totient is φ = 4197931920.

The previous prime is 4198071211. The next prime is 4198071253. The reversal of 4198071247 is 7421708914.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7421708914 = 2 ⋅3710854457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4198071247 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 (4198071287) 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, 3558 + ... + 91699.

It is an arithmetic number, because the mean of its divisors is an integer number (1049552644).

Almost surely, 2^4198071247 is an apocalyptic number.

4198071247 is a deficient number, since it is larger than the sum of its proper divisors (139329).

4198071247 is an equidigital number, since it uses as much as digits as its factorization.

4198071247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139328.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 4198071247 is about 64792.5246228298. The cubic root of 4198071247 is about 1613.1816315944.

The spelling of 4198071247 in words is "four billion, one hundred ninety-eight million, seventy-one thousand, two hundred forty-seven".