43939092269 has 2 divisors, whose sum is σ = 43939092270. Its totient is φ = 43939092268.

The previous prime is 43939092259. The next prime is 43939092271. The reversal of 43939092269 is 96229093934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37698882244 + 6240210025 = 194162^2 + 78995^2 .

It is a cyclic number.

It is not a de Polignac number, because 43939092269 - 2¹² = 43939088173 is a prime.

It is a super-2 number, since 2×43939092269² (a number of 22 digits) contains 22 as substring.

Together with 43939092271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43939092209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21969546134 + 21969546135.

It is an arithmetic number, because the mean of its divisors is an integer number (21969546135).

Almost surely, 2^43939092269 is an apocalyptic number.

It is an amenable number.

43939092269 is a deficient number, since it is larger than the sum of its proper divisors (1).

43939092269 is an equidigital number, since it uses as much as digits as its factorization.

43939092269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 56.

The spelling of 43939092269 in words is "forty-three billion, nine hundred thirty-nine million, ninety-two thousand, two hundred sixty-nine".