2391994043210 has 32 divisors (see below), whose sum is σ = 4371697749312. Its totient is φ = 942118911360.

The previous prime is 2391994043071. The next prime is 2391994043261. The reversal of 2391994043210 is 123404991932.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835694 + ... + 2341446.

It is an arithmetic number, because the mean of its divisors is an integer number (136615554666).

Almost surely, 2^{2391994043210} is an apocalyptic number.

2391994043210 is a deficient number, since it is larger than the sum of its proper divisors (1979703706102).

2391994043210 is a wasteful number, since it uses less digits than its factorization.

2391994043210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508198.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 2391994043210 in words is "two trillion, three hundred ninety-one billion, nine hundred ninety-four million, forty-three thousand, two hundred ten".