53616841349 has 2 divisors, whose sum is σ = 53616841350. Its totient is φ = 53616841348.

The previous prime is 53616841261. The next prime is 53616841381. The reversal of 53616841349 is 94314861635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48406600225 + 5210241124 = 220015^2 + 72182^2 .

It is a cyclic number.

It is not a de Polignac number, because 53616841349 - 2²⁸ = 53348405893 is a prime.

It is a super-2 number, since 2×53616841349² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53616841297 and 53616841306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53616841849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26808420674 + 26808420675.

It is an arithmetic number, because the mean of its divisors is an integer number (26808420675).

Almost surely, 2^53616841349 is an apocalyptic number.

It is an amenable number.

53616841349 is a deficient number, since it is larger than the sum of its proper divisors (1).

53616841349 is an equidigital number, since it uses as much as digits as its factorization.

53616841349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 50.

The spelling of 53616841349 in words is "fifty-three billion, six hundred sixteen million, eight hundred forty-one thousand, three hundred forty-nine".