109493851517 has 2 divisors, whose sum is σ = 109493851518. Its totient is φ = 109493851516.

The previous prime is 109493851507. The next prime is 109493851591. The reversal of 109493851517 is 715158394901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106514765956 + 2979085561 = 326366^2 + 54581^2 .

It is a cyclic number.

It is not a de Polignac number, because 109493851517 - 2⁸ = 109493851261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109493851507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54746925758 + 54746925759.

It is an arithmetic number, because the mean of its divisors is an integer number (54746925759).

Almost surely, 2^109493851517 is an apocalyptic number.

It is an amenable number.

109493851517 is a deficient number, since it is larger than the sum of its proper divisors (1).

109493851517 is an equidigital number, since it uses as much as digits as its factorization.

109493851517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 109493851517 in words is "one hundred nine billion, four hundred ninety-three million, eight hundred fifty-one thousand, five hundred seventeen".