53013353693 has 2 divisors, whose sum is σ = 53013353694. Its totient is φ = 53013353692.

The previous prime is 53013353641. The next prime is 53013353711. The reversal of 53013353693 is 39635331035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39506730169 + 13506623524 = 198763^2 + 116218^2 .

It is a cyclic number.

It is not a de Polignac number, because 53013353693 - 2⁶ = 53013353629 is a prime.

It is a Sophie Germain 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 53013353693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53013353593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26506676846 + 26506676847.

It is an arithmetic number, because the mean of its divisors is an integer number (26506676847).

Almost surely, 2^53013353693 is an apocalyptic number.

It is an amenable number.

53013353693 is a deficient number, since it is larger than the sum of its proper divisors (1).

53013353693 is an equidigital number, since it uses as much as digits as its factorization.

53013353693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 328050, while the sum is 41.

The spelling of 53013353693 in words is "fifty-three billion, thirteen million, three hundred fifty-three thousand, six hundred ninety-three".