2739959797 has 2 divisors, whose sum is σ = 2739959798. Its totient is φ = 2739959796.

The previous prime is 2739959791. The next prime is 2739959837. The reversal of 2739959797 is 7979599372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1483328196 + 1256631601 = 38514^2 + 35449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2739959797 - 2⁷ = 2739959669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2739959791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369979898 + 1369979899.

It is an arithmetic number, because the mean of its divisors is an integer number (1369979899).

Almost surely, 2^2739959797 is an apocalyptic number.

It is an amenable number.

2739959797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2739959797 is an equidigital number, since it uses as much as digits as its factorization.

2739959797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67512690, while the sum is 67.

The square root of 2739959797 is about 52344.6252923832. The cubic root of 2739959797 is about 1399.3125531421.

The spelling of 2739959797 in words is "two billion, seven hundred thirty-nine million, nine hundred fifty-nine thousand, seven hundred ninety-seven".