253144039709 has 16 divisors (see below), whose sum is σ = 290759484480. Its totient is φ = 217967967360.

The previous prime is 253144039703. The next prime is 253144039727. The reversal of 253144039709 is 907930441352.

It is a happy number.

253144039709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-253144039709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253144039703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771617 + ... + 1049609.

It is an arithmetic number, because the mean of its divisors is an integer number (18172467780).

Almost surely, 2^253144039709 is an apocalyptic number.

It is an amenable number.

253144039709 is a deficient number, since it is larger than the sum of its proper divisors (37615444771).

253144039709 is a wasteful number, since it uses less digits than its factorization.

253144039709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282380.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 253144039709 in words is "two hundred fifty-three billion, one hundred forty-four million, thirty-nine thousand, seven hundred nine".