2939193820 has 12 divisors (see below), whose sum is σ = 6172307064. Its totient is φ = 1175677520.

The previous prime is 2939193797. The next prime is 2939193839. The reversal of 2939193820 is 283919392.

2939193820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73479826 + ... + 73479865.

It is an arithmetic number, because the mean of its divisors is an integer number (514358922).

Almost surely, 2^2939193820 is an apocalyptic number.

2939193820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2939193820 is an abundant number, since it is smaller than the sum of its proper divisors (3233113244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2939193820 is a wasteful number, since it uses less digits than its factorization.

2939193820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146959700 (or 146959698 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 2939193820 is about 54214.3322378871. The cubic root of 2939193820 is about 1432.4387972881.

The spelling of 2939193820 in words is "two billion, nine hundred thirty-nine million, one hundred ninety-three thousand, eight hundred twenty".