2939184021 has 16 divisors (see below), whose sum is σ = 3938558400. Its totient is φ = 1949659008.

The previous prime is 2939184011. The next prime is 2939184023. The reversal of 2939184021 is 1204819392.

2939184021 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 2939184021 - 2⁷ = 2939183893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939184023) 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, 511255 + ... + 516971.

It is an arithmetic number, because the mean of its divisors is an integer number (246159900).

Almost surely, 2^2939184021 is an apocalyptic number.

It is an amenable number.

2939184021 is a deficient number, since it is larger than the sum of its proper divisors (999374379).

2939184021 is a wasteful number, since it uses less digits than its factorization.

2939184021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2939184021 is about 54214.2418650303. The cubic root of 2939184021 is about 1432.4372054136.

The spelling of 2939184021 in words is "two billion, nine hundred thirty-nine million, one hundred eighty-four thousand, twenty-one".