253818796345 has 8 divisors (see below), whose sum is σ = 304618135176. Its totient is φ = 203031317376.

The previous prime is 253818796333. The next prime is 253818796369. The reversal of 253818796345 is 543697818352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3709784464 + 250109011881 = 60908^2 + 500109^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253818796345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917812 + ... + 3003541.

It is an arithmetic number, because the mean of its divisors is an integer number (38077266897).

Almost surely, 2^253818796345 is an apocalyptic number.

It is an amenable number.

253818796345 is a deficient number, since it is larger than the sum of its proper divisors (50799338831).

253818796345 is an equidigital number, since it uses as much as digits as its factorization.

253818796345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929931.

The product of its digits is 43545600, while the sum is 61.

The spelling of 253818796345 in words is "two hundred fifty-three billion, eight hundred eighteen million, seven hundred ninety-six thousand, three hundred forty-five".