1253318679659 has 2 divisors, whose sum is σ = 1253318679660. Its totient is φ = 1253318679658.

The previous prime is 1253318679631. The next prime is 1253318679713. The reversal of 1253318679659 is 9569768133521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253318679659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253318679595 and 1253318679604.

It is not a weakly prime, because it can be changed into another prime (1253318679059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626659339829 + 626659339830.

It is an arithmetic number, because the mean of its divisors is an integer number (626659339830).

Almost surely, 2^{1253318679659} is an apocalyptic number.

1253318679659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253318679659 is an equidigital number, since it uses as much as digits as its factorization.

1253318679659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 65.

The spelling of 1253318679659 in words is "one trillion, two hundred fifty-three billion, three hundred eighteen million, six hundred seventy-nine thousand, six hundred fifty-nine".