210381948720694 has 64 divisors (see below), whose sum is σ = 333537107883840. Its totient is φ = 99388129075200.

The previous prime is 210381948720637. The next prime is 210381948720731. The reversal of 210381948720694 is 496027849183012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271019422 + ... + 271794574.

It is an arithmetic number, because the mean of its divisors is an integer number (5211517310685).

Almost surely, 2^{210381948720694} is an apocalyptic number.

210381948720694 is a deficient number, since it is larger than the sum of its proper divisors (123155159163146).

210381948720694 is a wasteful number, since it uses less digits than its factorization.

210381948720694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775825.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 210381948720694 in words is "two hundred ten trillion, three hundred eighty-one billion, nine hundred forty-eight million, seven hundred twenty thousand, six hundred ninety-four".