2739664441 has 2 divisors, whose sum is σ = 2739664442. Its totient is φ = 2739664440.

The previous prime is 2739664381. The next prime is 2739664471. The reversal of 2739664441 is 1444669372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2144060416 + 595604025 = 46304^2 + 24405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2739664441 - 2⁷ = 2739664313 is a prime.

It is a super-2 number, since 2×2739664441² = 15011522498559684962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2739664391 and 2739664400.

It is not a weakly prime, because it can be changed into another prime (2739664471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369832220 + 1369832221.

It is an arithmetic number, because the mean of its divisors is an integer number (1369832221).

Almost surely, 2^2739664441 is an apocalyptic number.

It is an amenable number.

2739664441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2739664441 is an equidigital number, since it uses as much as digits as its factorization.

2739664441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 46.

The square root of 2739664441 is about 52341.8039524814. The cubic root of 2739664441 is about 1399.2622713569.

The spelling of 2739664441 in words is "two billion, seven hundred thirty-nine million, six hundred sixty-four thousand, four hundred forty-one".