248406792917 has 2 divisors, whose sum is σ = 248406792918. Its totient is φ = 248406792916.

The previous prime is 248406792827. The next prime is 248406792937. The reversal of 248406792917 is 719297604842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210767300836 + 37639492081 = 459094^2 + 194009^2 .

It is a cyclic number.

It is not a de Polignac number, because 248406792917 - 2¹⁶ = 248406727381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248406792937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124203396458 + 124203396459.

It is an arithmetic number, because the mean of its divisors is an integer number (124203396459).

Almost surely, 2^248406792917 is an apocalyptic number.

It is an amenable number.

248406792917 is a deficient number, since it is larger than the sum of its proper divisors (1).

248406792917 is an equidigital number, since it uses as much as digits as its factorization.

248406792917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 248406792917 in words is "two hundred forty-eight billion, four hundred six million, seven hundred ninety-two thousand, nine hundred seventeen".