248668919291 has 8 divisors (see below), whose sum is σ = 267802234560. Its totient is φ = 229536309312.

The previous prime is 248668919263. The next prime is 248668919329. The reversal of 248668919291 is 192919866842.

It is a happy number.

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 248668919291 - 2²⁶ = 248601810427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248668919221) 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, 727631 + ... + 1013303.

It is an arithmetic number, because the mean of its divisors is an integer number (33475279320).

Almost surely, 2^248668919291 is an apocalyptic number.

248668919291 is a deficient number, since it is larger than the sum of its proper divisors (19133315269).

248668919291 is a wasteful number, since it uses less digits than its factorization.

248668919291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352645.

The product of its digits is 26873856, while the sum is 65.

The spelling of 248668919291 in words is "two hundred forty-eight billion, six hundred sixty-eight million, nine hundred nineteen thousand, two hundred ninety-one".