213695849400 has 288 divisors, whose sum is σ = 743659902720. Its totient is φ = 50702009600.

The previous prime is 213695849399. The next prime is 213695849413. The reversal of 213695849400 is 4948596312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3380887 + ... + 3443513.

It is an arithmetic number, because the mean of its divisors is an integer number (2582152440).

Almost surely, 2^213695849400 is an apocalyptic number.

213695849400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213695849400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371829951360).

213695849400 is an abundant number, since it is smaller than the sum of its proper divisors (529964053320).

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

213695849400 is a wasteful number, since it uses less digits than its factorization.

213695849400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62715 (or 62695 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 213695849400 in words is "two hundred thirteen billion, six hundred ninety-five million, eight hundred forty-nine thousand, four hundred".