1248430605953 has 4 divisors (see below), whose sum is σ = 1248658552020. Its totient is φ = 1248202659888.

The previous prime is 1248430605941. The next prime is 1248430605991. The reversal of 1248430605953 is 3595060348421.

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 1227380368384 + 21050237569 = 1107872^2 + 145087^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248430605953 - 2³⁴ = 1231250736769 is a prime.

It is a super-3 number, since 3×1248430605953³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248430605553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113964818 + ... + 113975771.

It is an arithmetic number, because the mean of its divisors is an integer number (312164638005).

Almost surely, 2^{1248430605953} is an apocalyptic number.

It is an amenable number.

1248430605953 is a deficient number, since it is larger than the sum of its proper divisors (227946067).

1248430605953 is an equidigital number, since it uses as much as digits as its factorization.

1248430605953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227946066.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 1248430605953 in words is "one trillion, two hundred forty-eight billion, four hundred thirty million, six hundred five thousand, nine hundred fifty-three".