253330781002 has 8 divisors (see below), whose sum is σ = 409226646276. Its totient is φ = 116921898912.

The previous prime is 253330780957. The next prime is 253330781029. The reversal of 253330781002 is 200187033352.

It can be written as a sum of positive squares in 2 ways, for example, as 252615806881 + 714974121 = 502609^2 + 26739^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4871745763 + ... + 4871745814.

Almost surely, 2^253330781002 is an apocalyptic number.

253330781002 is a deficient number, since it is larger than the sum of its proper divisors (155895865274).

253330781002 is a wasteful number, since it uses less digits than its factorization.

253330781002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743491592.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 253330781002 in words is "two hundred fifty-three billion, three hundred thirty million, seven hundred eighty-one thousand, two".