2745121996 has 12 divisors (see below), whose sum is σ = 4809422520. Its totient is φ = 1371001280.

The previous prime is 2745121993. The next prime is 2745121999. The reversal of 2745121996 is 6991215472.

It is an interprime number because it is at equal distance from previous prime (2745121993) and next prime (2745121999).

It is not an unprimeable number, because it can be changed into a prime (2745121993) 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, 385966 + ... + 393013.

It is an arithmetic number, because the mean of its divisors is an integer number (400785210).

Almost surely, 2^2745121996 is an apocalyptic number.

It is an amenable number.

2745121996 is a deficient number, since it is larger than the sum of its proper divisors (2064300524).

2745121996 is a wasteful number, since it uses less digits than its factorization.

2745121996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779864 (or 779862 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 2745121996 is about 52393.9118218901. The cubic root of 2745121996 is about 1400.1907896446.

The spelling of 2745121996 in words is "two billion, seven hundred forty-five million, one hundred twenty-one thousand, nine hundred ninety-six".