692638323313 has 2 divisors, whose sum is σ = 692638323314. Its totient is φ = 692638323312.

The previous prime is 692638323259. The next prime is 692638323329. The reversal of 692638323313 is 313323836296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 634240217664 + 58398105649 = 796392^2 + 241657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-692638323313 is a prime.

It is a super-4 number, since 4×692638323313⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (692638333313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346319161656 + 346319161657.

It is an arithmetic number, because the mean of its divisors is an integer number (346319161657).

Almost surely, 2^692638323313 is an apocalyptic number.

It is an amenable number.

692638323313 is a deficient number, since it is larger than the sum of its proper divisors (1).

692638323313 is an equidigital number, since it uses as much as digits as its factorization.

692638323313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 49.

The spelling of 692638323313 in words is "six hundred ninety-two billion, six hundred thirty-eight million, three hundred twenty-three thousand, three hundred thirteen".