2660329739 has 2 divisors, whose sum is σ = 2660329740. Its totient is φ = 2660329738.

The previous prime is 2660329723. The next prime is 2660329747. The reversal of 2660329739 is 9379230662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2660329739 - 2⁴ = 2660329723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660329693 and 2660329702.

It is not a weakly prime, because it can be changed into another prime (2660329769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330164869 + 1330164870.

It is an arithmetic number, because the mean of its divisors is an integer number (1330164870).

Almost surely, 2^2660329739 is an apocalyptic number.

2660329739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660329739 is an equidigital number, since it uses as much as digits as its factorization.

2660329739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 47.

The square root of 2660329739 is about 51578.3844163425. The cubic root of 2660329739 is about 1385.6232323943.

The spelling of 2660329739 in words is "two billion, six hundred sixty million, three hundred twenty-nine thousand, seven hundred thirty-nine".