348763805557 has 2 divisors, whose sum is σ = 348763805558. Its totient is φ = 348763805556.

The previous prime is 348763805549. The next prime is 348763805561. The reversal of 348763805557 is 755508367843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300999265956 + 47764539601 = 548634^2 + 218551^2 .

It is a cyclic number.

It is not a de Polignac number, because 348763805557 - 2³ = 348763805549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 348763805495 and 348763805504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348763805597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174381902778 + 174381902779.

It is an arithmetic number, because the mean of its divisors is an integer number (174381902779).

Almost surely, 2^348763805557 is an apocalyptic number.

It is an amenable number.

348763805557 is a deficient number, since it is larger than the sum of its proper divisors (1).

348763805557 is an equidigital number, since it uses as much as digits as its factorization.

348763805557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672000, while the sum is 61.

The spelling of 348763805557 in words is "three hundred forty-eight billion, seven hundred sixty-three million, eight hundred five thousand, five hundred fifty-seven".