5151066439 has 4 divisors (see below), whose sum is σ = 5208943680. Its totient is φ = 5093189200.

The previous prime is 5151066433. The next prime is 5151066443. The reversal of 5151066439 is 9346601515.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5151066439 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 (5151066433) 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, 28938487 + ... + 28938664.

It is an arithmetic number, because the mean of its divisors is an integer number (1302235920).

Almost surely, 2^5151066439 is an apocalyptic number.

5151066439 is a deficient number, since it is larger than the sum of its proper divisors (57877241).

5151066439 is an equidigital number, since it uses as much as digits as its factorization.

5151066439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57877240.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 5151066439 is about 71770.9303200119. The cubic root of 5151066439 is about 1727.0266946058.

The spelling of 5151066439 in words is "five billion, one hundred fifty-one million, sixty-six thousand, four hundred thirty-nine".