213254198448 has 80 divisors (see below), whose sum is σ = 558694526976. Its totient is φ = 70086446080.

The previous prime is 213254198447. The next prime is 213254198449. The reversal of 213254198448 is 844891452312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213254198447) and next prime (213254198449).

It is a self number, because there is not a number n which added to its sum of digits gives 213254198448.

It is not an unprimeable number, because it can be changed into a prime (213254198447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933061 + ... + 1138907.

Almost surely, 2^213254198448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213254198448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279347263488).

213254198448 is an abundant number, since it is smaller than the sum of its proper divisors (345440328528).

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

213254198448 is a wasteful number, since it uses less digits than its factorization.

213254198448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206162 (or 206156 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 213254198448 in words is "two hundred thirteen billion, two hundred fifty-four million, one hundred ninety-eight thousand, four hundred forty-eight".