253568303752 has 16 divisors (see below), whose sum is σ = 475714940940. Its totient is φ = 126710986176.

The previous prime is 253568303713. The next prime is 253568303761. The reversal of 253568303752 is 257303865352.

It can be written as a sum of positive squares in 2 ways, for example, as 252311317636 + 1256986116 = 502306^2 + 35454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253568303696 and 253568303705.

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, 9130983 + ... + 9158710.

Almost surely, 2^253568303752 is an apocalyptic number.

It is an amenable number.

253568303752 is a deficient number, since it is larger than the sum of its proper divisors (222146637188).

253568303752 is a wasteful number, since it uses less digits than its factorization.

253568303752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291432 (or 18291428 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 253568303752 in words is "two hundred fifty-three billion, five hundred sixty-eight million, three hundred three thousand, seven hundred fifty-two".