213794943400 has 24 divisors (see below), whose sum is σ = 497073243870. Its totient is φ = 85517977280.

The previous prime is 213794943367. The next prime is 213794943437. The reversal of 213794943400 is 4349497312.

It can be written as a sum of positive squares in 3 ways, for example, as 206626611844 + 7168331556 = 454562^2 + 84666^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534487159 + ... + 534487558.

Almost surely, 2^213794943400 is an apocalyptic number.

213794943400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213794943400 is an abundant number, since it is smaller than the sum of its proper divisors (283278300470).

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

213794943400 is a wasteful number, since it uses less digits than its factorization.

213794943400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068974733 (or 1068974724 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 213794943400 in words is "two hundred thirteen billion, seven hundred ninety-four million, nine hundred forty-three thousand, four hundred".