248790542891 has 8 divisors (see below), whose sum is σ = 271800648768. Its totient is φ = 225845901000.

The previous prime is 248790542837. The next prime is 248790542893. The reversal of 248790542891 is 198245097842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248790542891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248790542891.

It is not an unprimeable number, because it can be changed into a prime (248790542893) 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, 16358045 + ... + 16373246.

It is an arithmetic number, because the mean of its divisors is an integer number (33975081096).

Almost surely, 2^248790542891 is an apocalyptic number.

248790542891 is a deficient number, since it is larger than the sum of its proper divisors (23010105877).

248790542891 is a wasteful number, since it uses less digits than its factorization.

248790542891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32731993.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 248790542891 in words is "two hundred forty-eight billion, seven hundred ninety million, five hundred forty-two thousand, eight hundred ninety-one".