2738923609 has 2 divisors, whose sum is σ = 2738923610. Its totient is φ = 2738923608.

The previous prime is 2738923553. The next prime is 2738923613. The reversal of 2738923609 is 9063298372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1664395209 + 1074528400 = 40797^2 + 32780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2738923609 - 2⁹ = 2738923097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2738923639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369461804 + 1369461805.

It is an arithmetic number, because the mean of its divisors is an integer number (1369461805).

Almost surely, 2^2738923609 is an apocalyptic number.

It is an amenable number.

2738923609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738923609 is an equidigital number, since it uses as much as digits as its factorization.

2738923609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 2738923609 is about 52334.7266067188. The cubic root of 2738923609 is about 1399.1361352624.

The spelling of 2738923609 in words is "two billion, seven hundred thirty-eight million, nine hundred twenty-three thousand, six hundred nine".