339770979397 has 2 divisors, whose sum is σ = 339770979398. Its totient is φ = 339770979396.

The previous prime is 339770979377. The next prime is 339770979409. The reversal of 339770979397 is 793979077933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298415283076 + 41355696321 = 546274^2 + 203361^2 .

It is a cyclic number.

It is not a de Polignac number, because 339770979397 - 2²³ = 339762590789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339770979377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169885489698 + 169885489699.

It is an arithmetic number, because the mean of its divisors is an integer number (169885489699).

Almost surely, 2^339770979397 is an apocalyptic number.

It is an amenable number.

339770979397 is a deficient number, since it is larger than the sum of its proper divisors (1).

339770979397 is an equidigital number, since it uses as much as digits as its factorization.

339770979397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 425329947, while the sum is 73.

The spelling of 339770979397 in words is "three hundred thirty-nine billion, seven hundred seventy million, nine hundred seventy-nine thousand, three hundred ninety-seven".