4352271391 has 4 divisors (see below), whose sum is σ = 4687061512. Its totient is φ = 4017481272.

The previous prime is 4352271379. The next prime is 4352271403. The reversal of 4352271391 is 1931722534.

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

It is an interprime number because it is at equal distance from previous prime (4352271379) and next prime (4352271403).

It is a cyclic number.

It is not a de Polignac number, because 4352271391 - 2²³ = 4343882783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4352271391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4352271491) 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, 167395041 + ... + 167395066.

It is an arithmetic number, because the mean of its divisors is an integer number (1171765378).

Almost surely, 2^4352271391 is an apocalyptic number.

4352271391 is a deficient number, since it is larger than the sum of its proper divisors (334790121).

4352271391 is a wasteful number, since it uses less digits than its factorization.

4352271391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334790120.

The product of its digits is 45360, while the sum is 37.

The square root of 4352271391 is about 65971.7469148726. The cubic root of 4352271391 is about 1632.6959776981.

The spelling of 4352271391 in words is "four billion, three hundred fifty-two million, two hundred seventy-one thousand, three hundred ninety-one".