248370398081 has 8 divisors (see below), whose sum is σ = 268056027624. Its totient is φ = 228767656320.

The previous prime is 248370398077. The next prime is 248370398117. The reversal of 248370398081 is 180893073842.

It can be written as a sum of positive squares in 4 ways, for example, as 29892681025 + 218477717056 = 172895^2 + 467416^2 .

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 248370398081 - 2² = 248370398077 is a prime.

It is a super-2 number, since 2×248370398081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248370398281) 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, 20715716 + ... + 20727701.

It is an arithmetic number, because the mean of its divisors is an integer number (33507003453).

Almost surely, 2^248370398081 is an apocalyptic number.

It is an amenable number.

248370398081 is a deficient number, since it is larger than the sum of its proper divisors (19685629543).

248370398081 is a wasteful number, since it uses less digits than its factorization.

248370398081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41443891.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 248370398081 in words is "two hundred forty-eight billion, three hundred seventy million, three hundred ninety-eight thousand, eighty-one".