1397116333 has 2 divisors, whose sum is σ = 1397116334. Its totient is φ = 1397116332.

The previous prime is 1397116309. The next prime is 1397116403. The reversal of 1397116333 is 3336117931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1244890089 + 152226244 = 35283^2 + 12338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1397116333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1397116292 and 1397116301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1397117333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698558166 + 698558167.

It is an arithmetic number, because the mean of its divisors is an integer number (698558167).

Almost surely, 2^1397116333 is an apocalyptic number.

It is an amenable number.

1397116333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397116333 is an equidigital number, since it uses as much as digits as its factorization.

1397116333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 37.

The square root of 1397116333 is about 37378.0193830545. The cubic root of 1397116333 is about 1117.9203364138.

The spelling of 1397116333 in words is "one billion, three hundred ninety-seven million, one hundred sixteen thousand, three hundred thirty-three".