53696490109 has 2 divisors, whose sum is σ = 53696490110. Its totient is φ = 53696490108.

The previous prime is 53696490097. The next prime is 53696490149. The reversal of 53696490109 is 90109469635.

53696490109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52806661209 + 889828900 = 229797^2 + 29830^2 .

It is a cyclic number.

It is not a de Polignac number, because 53696490109 - 2²¹ = 53694392957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53696490149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26848245054 + 26848245055.

It is an arithmetic number, because the mean of its divisors is an integer number (26848245055).

Almost surely, 2^53696490109 is an apocalyptic number.

It is an amenable number.

53696490109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53696490109 is an equidigital number, since it uses as much as digits as its factorization.

53696490109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 53696490109 in words is "fifty-three billion, six hundred ninety-six million, four hundred ninety thousand, one hundred nine".