306060939397 has 4 divisors (see below), whose sum is σ = 314332856716. Its totient is φ = 297789022080.

The previous prime is 306060939383. The next prime is 306060939433. The reversal of 306060939397 is 793939060603.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793939060603 = 13 ⋅61072235431.

It can be written as a sum of positive squares in 2 ways, for example, as 120307697316 + 185753242081 = 346854^2 + 430991^2 .

It is a cyclic number.

It is not a de Polignac number, because 306060939397 - 2⁷ = 306060939269 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 (306060939097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4135958604 + ... + 4135958677.

It is an arithmetic number, because the mean of its divisors is an integer number (78583214179).

Almost surely, 2^306060939397 is an apocalyptic number.

306060939397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

306060939397 is a deficient number, since it is larger than the sum of its proper divisors (8271917319).

306060939397 is an equidigital number, since it uses as much as digits as its factorization.

306060939397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271917318.

The product of its (nonzero) digits is 4960116, while the sum is 55.

The spelling of 306060939397 in words is "three hundred six billion, sixty million, nine hundred thirty-nine thousand, three hundred ninety-seven".