38722455469 has 2 divisors, whose sum is σ = 38722455470. Its totient is φ = 38722455468.

The previous prime is 38722455467. The next prime is 38722455491. The reversal of 38722455469 is 96455422783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36263584900 + 2458870569 = 190430^2 + 49587^2 .

It is a cyclic number.

It is not a de Polignac number, because 38722455469 - 2¹ = 38722455467 is a prime.

It is a super-2 number, since 2×38722455469² (a number of 22 digits) contains 22 as substring.

Together with 38722455467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38722455463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19361227734 + 19361227735.

It is an arithmetic number, because the mean of its divisors is an integer number (19361227735).

Almost surely, 2^38722455469 is an apocalyptic number.

It is an amenable number.

38722455469 is a deficient number, since it is larger than the sum of its proper divisors (1).

38722455469 is an equidigital number, since it uses as much as digits as its factorization.

38722455469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 55.

The spelling of 38722455469 in words is "thirty-eight billion, seven hundred twenty-two million, four hundred fifty-five thousand, four hundred sixty-nine".