248815622609 has 8 divisors (see below), whose sum is σ = 255687213288. Its totient is φ = 241951760640.

The previous prime is 248815622593. The next prime is 248815622611. The reversal of 248815622609 is 906226518842.

It can be written as a sum of positive squares in 4 ways, for example, as 43564038400 + 205251584209 = 208720^2 + 453047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248815622609 - 2⁴ = 248815622593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248815624609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866872 + ... + 1995705.

It is an arithmetic number, because the mean of its divisors is an integer number (31960901661).

Almost surely, 2^248815622609 is an apocalyptic number.

It is an amenable number.

248815622609 is a deficient number, since it is larger than the sum of its proper divisors (6871590679).

248815622609 is a wasteful number, since it uses less digits than its factorization.

248815622609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864355.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 248815622609 in words is "two hundred forty-eight billion, eight hundred fifteen million, six hundred twenty-two thousand, six hundred nine".