108799438493 has 2 divisors, whose sum is σ = 108799438494. Its totient is φ = 108799438492.

The previous prime is 108799438471. The next prime is 108799438499. The reversal of 108799438493 is 394834997801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108542573764 + 256864729 = 329458^2 + 16027^2 .

It is a cyclic number.

It is not a de Polignac number, because 108799438493 - 2²² = 108795244189 is a prime.

It is a super-2 number, since 2×108799438493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108799438499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54399719246 + 54399719247.

It is an arithmetic number, because the mean of its divisors is an integer number (54399719247).

Almost surely, 2^108799438493 is an apocalyptic number.

It is an amenable number.

108799438493 is a deficient number, since it is larger than the sum of its proper divisors (1).

108799438493 is an equidigital number, since it uses as much as digits as its factorization.

108799438493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 108799438493 in words is "one hundred eight billion, seven hundred ninety-nine million, four hundred thirty-eight thousand, four hundred ninety-three".