2745039916 has 12 divisors (see below), whose sum is σ = 4933653088. Its totient is φ = 1335424752.

The previous prime is 2745039911. The next prime is 2745039917. The reversal of 2745039916 is 6199305472.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2745039911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9273636 + ... + 9273931.

Almost surely, 2^2745039916 is an apocalyptic number.

It is an amenable number.

2745039916 is a deficient number, since it is larger than the sum of its proper divisors (2188613172).

2745039916 is a wasteful number, since it uses less digits than its factorization.

2745039916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18547608 (or 18547606 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 2745039916 is about 52393.1285189193. The cubic root of 2745039916 is about 1400.1768341257.

The spelling of 2745039916 in words is "two billion, seven hundred forty-five million, thirty-nine thousand, nine hundred sixteen".