53437602329 has 2 divisors, whose sum is σ = 53437602330. Its totient is φ = 53437602328.

The previous prime is 53437602301. The next prime is 53437602331. The reversal of 53437602329 is 92320673435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46851468304 + 6586134025 = 216452^2 + 81155^2 .

It is a cyclic number.

It is not a de Polignac number, because 53437602329 - 2¹² = 53437598233 is a prime.

It is a Sophie Germain prime.

Together with 53437602331, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53437602329.

It is not a weakly prime, because it can be changed into another prime (53437302329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26718801164 + 26718801165.

It is an arithmetic number, because the mean of its divisors is an integer number (26718801165).

Almost surely, 2^53437602329 is an apocalyptic number.

It is an amenable number.

53437602329 is a deficient number, since it is larger than the sum of its proper divisors (1).

53437602329 is an equidigital number, since it uses as much as digits as its factorization.

53437602329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 53437602329 in words is "fifty-three billion, four hundred thirty-seven million, six hundred two thousand, three hundred twenty-nine".