248316871621 has 8 divisors (see below), whose sum is σ = 305620765184. Its totient is φ = 196470491760.

The previous prime is 248316871591. The next prime is 248316871661. The reversal of 248316871621 is 126178613842.

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 248316871621 - 2⁷ = 248316871493 is a prime.

It is a super-2 number, since 2×248316871621² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248316871661) 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, 1364378325 + ... + 1364378506.

It is an arithmetic number, because the mean of its divisors is an integer number (38202595648).

Almost surely, 2^248316871621 is an apocalyptic number.

It is an amenable number.

248316871621 is a deficient number, since it is larger than the sum of its proper divisors (57303893563).

248316871621 is a wasteful number, since it uses less digits than its factorization.

248316871621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728756851.

The product of its digits is 774144, while the sum is 49.

The spelling of 248316871621 in words is "two hundred forty-eight billion, three hundred sixteen million, eight hundred seventy-one thousand, six hundred twenty-one".