253158619709 has 16 divisors (see below), whose sum is σ = 260497900656. Its totient is φ = 245846016000.

The previous prime is 253158619691. The next prime is 253158619781. The reversal of 253158619709 is 907916851352.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13624725625 + 239533894084 = 116725^2 + 489422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253158619709 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 (253158319709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55502789 + ... + 55507349.

It is an arithmetic number, because the mean of its divisors is an integer number (16281118791).

Almost surely, 2^253158619709 is an apocalyptic number.

It is an amenable number.

253158619709 is a deficient number, since it is larger than the sum of its proper divisors (7339280947).

253158619709 is a wasteful number, since it uses less digits than its factorization.

253158619709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 253158619709 in words is "two hundred fifty-three billion, one hundred fifty-eight million, six hundred nineteen thousand, seven hundred nine".