2714720639 has 2 divisors, whose sum is σ = 2714720640. Its totient is φ = 2714720638.

The previous prime is 2714720621. The next prime is 2714720753. The reversal of 2714720639 is 9360274172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2714720639 - 2²⁰ = 2713672063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2714720596 and 2714720605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2714710639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357360319 + 1357360320.

It is an arithmetic number, because the mean of its divisors is an integer number (1357360320).

Almost surely, 2^2714720639 is an apocalyptic number.

2714720639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2714720639 is an equidigital number, since it uses as much as digits as its factorization.

2714720639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2714720639 is about 52102.9810951350. The cubic root of 2714720639 is about 1395.0027001999.

The spelling of 2714720639 in words is "two billion, seven hundred fourteen million, seven hundred twenty thousand, six hundred thirty-nine".