252147443195 has 4 divisors (see below), whose sum is σ = 302576931840. Its totient is φ = 201717954552.

The previous prime is 252147443189. The next prime is 252147443203. The reversal of 252147443195 is 591344741252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252147443195 - 2⁴ = 252147443179 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25214744315 + ... + 25214744324.

It is an arithmetic number, because the mean of its divisors is an integer number (75644232960).

Almost surely, 2^252147443195 is an apocalyptic number.

252147443195 is a deficient number, since it is larger than the sum of its proper divisors (50429488645).

252147443195 is an equidigital number, since it uses as much as digits as its factorization.

252147443195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50429488644.

The product of its digits is 1209600, while the sum is 47.

The spelling of 252147443195 in words is "two hundred fifty-two billion, one hundred forty-seven million, four hundred forty-three thousand, one hundred ninety-five".