209628141748 has 24 divisors (see below), whose sum is σ = 399472869600. Its totient is φ = 95873486688.

The previous prime is 209628141743. The next prime is 209628141757. The reversal of 209628141748 is 847141826902.

It is a junction number, because it is equal to n+sod(n) for n = 209628141695 and 209628141704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209628141743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47554090 + ... + 47558497.

It is an arithmetic number, because the mean of its divisors is an integer number (16644702900).

Almost surely, 2^209628141748 is an apocalyptic number.

It is an amenable number.

209628141748 is a deficient number, since it is larger than the sum of its proper divisors (189844727852).

209628141748 is a wasteful number, since it uses less digits than its factorization.

209628141748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95112639 (or 95112637 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 209628141748 in words is "two hundred nine billion, six hundred twenty-eight million, one hundred forty-one thousand, seven hundred forty-eight".