211944503470 has 48 divisors (see below), whose sum is σ = 443851457760. Its totient is φ = 72655942464.

The previous prime is 211944503467. The next prime is 211944503483. The reversal of 211944503470 is 74305449112.

It is a super-2 number, since 2×211944503470² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3738496 + ... + 3794764.

It is an arithmetic number, because the mean of its divisors is an integer number (9246905370).

Almost surely, 2^211944503470 is an apocalyptic number.

211944503470 is an abundant number, since it is smaller than the sum of its proper divisors (231906954290).

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

211944503470 is a wasteful number, since it uses less digits than its factorization.

211944503470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63977 (or 63970 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 211944503470 in words is "two hundred eleven billion, nine hundred forty-four million, five hundred three thousand, four hundred seventy".