996693390053 has 2 divisors, whose sum is σ = 996693390054. Its totient is φ = 996693390052.

The previous prime is 996693389999. The next prime is 996693390061. The reversal of 996693390053 is 350093396699.

996693390053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881013136129 + 115680253924 = 938623^2 + 340118^2 .

It is a cyclic number.

It is not a de Polignac number, because 996693390053 - 2²⁴ = 996676612837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996693390653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498346695026 + 498346695027.

It is an arithmetic number, because the mean of its divisors is an integer number (498346695027).

Almost surely, 2^996693390053 is an apocalyptic number.

It is an amenable number.

996693390053 is a deficient number, since it is larger than the sum of its proper divisors (1).

996693390053 is an equidigital number, since it uses as much as digits as its factorization.

996693390053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31886460, while the sum is 62.

The spelling of 996693390053 in words is "nine hundred ninety-six billion, six hundred ninety-three million, three hundred ninety thousand, fifty-three".