2945239737 has 16 divisors (see below), whose sum is σ = 4289319360. Its totient is φ = 1782771200.

The previous prime is 2945239729. The next prime is 2945239741. The reversal of 2945239737 is 7379325492.

It is a cyclic number.

It is not a de Polignac number, because 2945239737 - 2³ = 2945239729 is a prime.

It is a super-3 number, since 3×2945239737³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2945239737.

It is not an unprimeable number, because it can be changed into a prime (2945239727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28464 + ... + 81857.

It is an arithmetic number, because the mean of its divisors is an integer number (268082460).

Almost surely, 2^2945239737 is an apocalyptic number.

It is an amenable number.

2945239737 is a deficient number, since it is larger than the sum of its proper divisors (1344079623).

2945239737 is a wasteful number, since it uses less digits than its factorization.

2945239737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111144.

The product of its digits is 2857680, while the sum is 51.

The square root of 2945239737 is about 54270.0629905660. The cubic root of 2945239737 is about 1433.4202993865.

The spelling of 2945239737 in words is "two billion, nine hundred forty-five million, two hundred thirty-nine thousand, seven hundred thirty-seven".