2351981006 has 8 divisors (see below), whose sum is σ = 3713654280. Its totient is φ = 1114096248.

The previous prime is 2351980999. The next prime is 2351981011. The reversal of 2351981006 is 6001891532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30947081 + ... + 30947156.

It is an arithmetic number, because the mean of its divisors is an integer number (464206785).

Almost surely, 2^2351981006 is an apocalyptic number.

2351981006 is a deficient number, since it is larger than the sum of its proper divisors (1361673274).

2351981006 is a wasteful number, since it uses less digits than its factorization.

2351981006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61894258.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2351981006 is about 48497.2267866937. The cubic root of 2351981006 is about 1329.8763723255.

The spelling of 2351981006 in words is "two billion, three hundred fifty-one million, nine hundred eighty-one thousand, six".