253252640793 has 16 divisors (see below), whose sum is σ = 339728772096. Its totient is φ = 167806020240.

The previous prime is 253252640791. The next prime is 253252640801. The reversal of 253252640793 is 397046252352.

It is a happy number.

It is not a de Polignac number, because 253252640793 - 2¹ = 253252640791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253252640791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5922058 + ... + 5964668.

It is an arithmetic number, because the mean of its divisors is an integer number (21233048256).

Almost surely, 2^253252640793 is an apocalyptic number.

It is an amenable number.

253252640793 is a deficient number, since it is larger than the sum of its proper divisors (86476131303).

253252640793 is a wasteful number, since it uses less digits than its factorization.

253252640793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54644.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 253252640793 in words is "two hundred fifty-three billion, two hundred fifty-two million, six hundred forty thousand, seven hundred ninety-three".