253319254709 has 4 divisors (see below), whose sum is σ = 253680623820. Its totient is φ = 252957885600.

The previous prime is 253319254703. The next prime is 253319254711. The reversal of 253319254709 is 907452913352.

253319254709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143870765809 + 109448488900 = 379303^2 + 330830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253319254709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253319254703) 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 3 ways as a sum of consecutive naturals, for example, 180683504 + ... + 180684905.

It is an arithmetic number, because the mean of its divisors is an integer number (63420155955).

Almost surely, 2^253319254709 is an apocalyptic number.

It is an amenable number.

253319254709 is a deficient number, since it is larger than the sum of its proper divisors (361369111).

253319254709 is an equidigital number, since it uses as much as digits as its factorization.

253319254709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361369110.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 253319254709 in words is "two hundred fifty-three billion, three hundred nineteen million, two hundred fifty-four thousand, seven hundred nine".