2939987145 has 16 divisors (see below), whose sum is σ = 4855721472. Its totient is φ = 1517412480.

The previous prime is 2939987129. The next prime is 2939987147. The reversal of 2939987145 is 5417899392.

It is not a de Polignac number, because 2939987145 - 2⁴ = 2939987129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2939987147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160812 + ... + 3161741.

It is an arithmetic number, because the mean of its divisors is an integer number (303482592).

Almost surely, 2^2939987145 is an apocalyptic number.

It is an amenable number.

2939987145 is a deficient number, since it is larger than the sum of its proper divisors (1915734327).

2939987145 is a wasteful number, since it uses less digits than its factorization.

2939987145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322592.

The product of its digits is 4898880, while the sum is 57.

The square root of 2939987145 is about 54221.6483058197. The cubic root of 2939987145 is about 1432.5676633822.

The spelling of 2939987145 in words is "two billion, nine hundred thirty-nine million, nine hundred eighty-seven thousand, one hundred forty-five".