306063939397 has 6 divisors (see below), whose sum is σ = 325126745618. Its totient is φ = 288060177984.

The previous prime is 306063939343. The next prime is 306063939407. The reversal of 306063939397 is 793939360603.

It can be written as a sum of positive squares in 3 ways, for example, as 55657774561 + 250406164836 = 235919^2 + 500406^2 .

It is a de Polignac number, because none of the positive numbers 2^k-306063939397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306063939497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529522098 + ... + 529522675.

Almost surely, 2^306063939397 is an apocalyptic number.

It is an amenable number.

306063939397 is a deficient number, since it is larger than the sum of its proper divisors (19062806221).

306063939397 is a wasteful number, since it uses less digits than its factorization.

306063939397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059044807 (or 1059044790 counting only the distinct ones).

The product of its (nonzero) digits is 14880348, while the sum is 58.

The spelling of 306063939397 in words is "three hundred six billion, sixty-three million, nine hundred thirty-nine thousand, three hundred ninety-seven".