39225738269 has 2 divisors, whose sum is σ = 39225738270. Its totient is φ = 39225738268.

The previous prime is 39225738221. The next prime is 39225738301. The reversal of 39225738269 is 96283752293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35355280900 + 3870457369 = 188030^2 + 62213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39225738269 is a prime.

It is a super-2 number, since 2×39225738269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39225738869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19612869134 + 19612869135.

It is an arithmetic number, because the mean of its divisors is an integer number (19612869135).

Almost surely, 2^39225738269 is an apocalyptic number.

It is an amenable number.

39225738269 is a deficient number, since it is larger than the sum of its proper divisors (1).

39225738269 is an equidigital number, since it uses as much as digits as its factorization.

39225738269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 56.

The spelling of 39225738269 in words is "thirty-nine billion, two hundred twenty-five million, seven hundred thirty-eight thousand, two hundred sixty-nine".