2779139001 has 8 divisors (see below), whose sum is σ = 3716137600. Its totient is φ = 1847449872.

The previous prime is 2779138963. The next prime is 2779139003. The reversal of 2779139001 is 1009319772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2779139001 - 2¹¹ = 2779136953 is a prime.

It is a super-2 number, since 2×2779139001² = 15447227173758556002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2779139003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326145 + ... + 1328238.

It is an arithmetic number, because the mean of its divisors is an integer number (464517200).

Almost surely, 2^2779139001 is an apocalyptic number.

It is an amenable number.

2779139001 is a deficient number, since it is larger than the sum of its proper divisors (936998599).

2779139001 is a wasteful number, since it uses less digits than its factorization.

2779139001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654735.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 2779139001 is about 52717.5397851607. The cubic root of 2779139001 is about 1405.9506913648.

The spelling of 2779139001 in words is "two billion, seven hundred seventy-nine million, one hundred thirty-nine thousand, one".