338761720469 has 2 divisors, whose sum is σ = 338761720470. Its totient is φ = 338761720468.

The previous prime is 338761720441. The next prime is 338761720483. The reversal of 338761720469 is 964027167833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270958768369 + 67802952100 = 520537^2 + 260390^2 .

It is a cyclic number.

It is not a de Polignac number, because 338761720469 - 2¹² = 338761716373 is a prime.

It is a super-2 number, since 2×338761720469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338761720489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169380860234 + 169380860235.

It is an arithmetic number, because the mean of its divisors is an integer number (169380860235).

Almost surely, 2^338761720469 is an apocalyptic number.

It is an amenable number.

338761720469 is a deficient number, since it is larger than the sum of its proper divisors (1).

338761720469 is an equidigital number, since it uses as much as digits as its factorization.

338761720469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 338761720469 in words is "three hundred thirty-eight billion, seven hundred sixty-one million, seven hundred twenty thousand, four hundred sixty-nine".