213470388494 has 16 divisors (see below), whose sum is σ = 350576256816. Its totient is φ = 96681696000.

The previous prime is 213470388431. The next prime is 213470388511. The reversal of 213470388494 is 494883074312.

It is a happy number.

213470388494 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17508707 + ... + 17520894.

It is an arithmetic number, because the mean of its divisors is an integer number (21911016051).

Almost surely, 2^213470388494 is an apocalyptic number.

213470388494 is a deficient number, since it is larger than the sum of its proper divisors (137105868322).

213470388494 is a wasteful number, since it uses less digits than its factorization.

213470388494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35029891.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 213470388494 in words is "two hundred thirteen billion, four hundred seventy million, three hundred eighty-eight thousand, four hundred ninety-four".