2739664389 has 32 divisors (see below), whose sum is σ = 4752267264. Its totient is φ = 1361321280.

The previous prime is 2739664381. The next prime is 2739664441. The reversal of 2739664389 is 9834669372.

2739664389 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2739664389 - 2³ = 2739664381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739664381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252514 + ... + 263139.

It is an arithmetic number, because the mean of its divisors is an integer number (148508352).

Almost surely, 2^2739664389 is an apocalyptic number.

It is an amenable number.

2739664389 is a deficient number, since it is larger than the sum of its proper divisors (2012602875).

2739664389 is a wasteful number, since it uses less digits than its factorization.

2739664389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515697.

The product of its digits is 11757312, while the sum is 57.

The square root of 2739664389 is about 52341.8034557465. The cubic root of 2739664389 is about 1399.2622625040.

The spelling of 2739664389 in words is "two billion, seven hundred thirty-nine million, six hundred sixty-four thousand, three hundred eighty-nine".