2173507148252 has 48 divisors (see below), whose sum is σ = 4214696640000. Its totient is φ = 972470655360.

The previous prime is 2173507148251. The next prime is 2173507148261. The reversal of 2173507148252 is 2528417053712.

It is a junction number, because it is equal to n+sod(n) for n = 2173507148197 and 2173507148206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173507148251) 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, 924749 + ... + 2280827.

It is an arithmetic number, because the mean of its divisors is an integer number (87806180000).

Almost surely, 2^{2173507148252} is an apocalyptic number.

2173507148252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2173507148252 is a deficient number, since it is larger than the sum of its proper divisors (2041189491748).

2173507148252 is a wasteful number, since it uses less digits than its factorization.

2173507148252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356666 (or 1356664 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 2173507148252 in words is "two trillion, one hundred seventy-three billion, five hundred seven million, one hundred forty-eight thousand, two hundred fifty-two".