4368261997 has 4 divisors (see below), whose sum is σ = 4765376736. Its totient is φ = 3971147260.

The previous prime is 4368261991. The next prime is 4368262021. The reversal of 4368261997 is 7991628634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4368261997 - 2¹¹ = 4368259949 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 (4368261991) 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, 198557353 + ... + 198557374.

It is an arithmetic number, because the mean of its divisors is an integer number (1191344184).

Almost surely, 2^4368261997 is an apocalyptic number.

It is an amenable number.

4368261997 is a deficient number, since it is larger than the sum of its proper divisors (397114739).

4368261997 is a wasteful number, since it uses less digits than its factorization.

4368261997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397114738.

The product of its digits is 3919104, while the sum is 55.

The square root of 4368261997 is about 66092.8286351855. The cubic root of 4368261997 is about 1634.6930873134.

The spelling of 4368261997 in words is "four billion, three hundred sixty-eight million, two hundred sixty-one thousand, nine hundred ninety-seven".