3021839862397 has 2 divisors, whose sum is σ = 3021839862398. Its totient is φ = 3021839862396.

The previous prime is 3021839862331. The next prime is 3021839862403. The reversal of 3021839862397 is 7932689381203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2926491068601 + 95348793796 = 1710699^2 + 308786^2 .

It is a cyclic number.

It is not a de Polignac number, because 3021839862397 - 2²³ = 3021831473789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3021839862997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510919931198 + 1510919931199.

It is an arithmetic number, because the mean of its divisors is an integer number (1510919931199).

Almost surely, 2^{3021839862397} is an apocalyptic number.

It is an amenable number.

3021839862397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3021839862397 is an equidigital number, since it uses as much as digits as its factorization.

3021839862397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 61.

Subtracting from 3021839862397 its sum of digits (61), we obtain a square (3021839862336 = 1738344²).

The spelling of 3021839862397 in words is "three trillion, twenty-one billion, eight hundred thirty-nine million, eight hundred sixty-two thousand, three hundred ninety-seven".