339674191261 has 2 divisors, whose sum is σ = 339674191262. Its totient is φ = 339674191260.

The previous prime is 339674191123. The next prime is 339674191319. The reversal of 339674191261 is 162191476933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315064425636 + 24609765625 = 561306^2 + 156875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339674191261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 339674191199 and 339674191208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339674194261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169837095630 + 169837095631.

It is an arithmetic number, because the mean of its divisors is an integer number (169837095631).

Almost surely, 2^339674191261 is an apocalyptic number.

It is an amenable number.

339674191261 is a deficient number, since it is larger than the sum of its proper divisors (1).

339674191261 is an equidigital number, since it uses as much as digits as its factorization.

339674191261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The spelling of 339674191261 in words is "three hundred thirty-nine billion, six hundred seventy-four million, one hundred ninety-one thousand, two hundred sixty-one".