253195195009 has 8 divisors (see below), whose sum is σ = 254505632040. Its totient is φ = 251885012736.

The previous prime is 253195194943. The next prime is 253195195013. The reversal of 253195195009 is 900591591352.

It can be written as a sum of positive squares in 4 ways, for example, as 49006890625 + 204188304384 = 221375^2 + 451872^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253195195009 - 2¹¹ = 253195192961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253195195049) 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, 2122537 + ... + 2238649.

It is an arithmetic number, because the mean of its divisors is an integer number (31813204005).

Almost surely, 2^253195195009 is an apocalyptic number.

It is an amenable number.

253195195009 is a deficient number, since it is larger than the sum of its proper divisors (1310437031).

253195195009 is a wasteful number, since it uses less digits than its factorization.

253195195009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127379.

The product of its (nonzero) digits is 546750, while the sum is 49.

The spelling of 253195195009 in words is "two hundred fifty-three billion, one hundred ninety-five million, one hundred ninety-five thousand, nine".