5439943151 has 2 divisors, whose sum is σ = 5439943152. Its totient is φ = 5439943150.

The previous prime is 5439943139. The next prime is 5439943177. The reversal of 5439943151 is 1513499345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5439943151 - 2³⁰ = 4366201327 is a prime.

It is a super-2 number, since 2×5439943151² = 59185962972223617602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5439943051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719971575 + 2719971576.

It is an arithmetic number, because the mean of its divisors is an integer number (2719971576).

Almost surely, 2^5439943151 is an apocalyptic number.

5439943151 is a deficient number, since it is larger than the sum of its proper divisors (1).

5439943151 is an equidigital number, since it uses as much as digits as its factorization.

5439943151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 5439943151 is about 73755.9702735989. The cubic root of 5439943151 is about 1758.7257424848.

The spelling of 5439943151 in words is "five billion, four hundred thirty-nine million, nine hundred forty-three thousand, one hundred fifty-one".