1384926469 has 2 divisors, whose sum is σ = 1384926470. Its totient is φ = 1384926468.

The previous prime is 1384926467. The next prime is 1384926479. The reversal of 1384926469 is 9646294831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835961569 + 548964900 = 28913^2 + 23430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384926469 - 2¹ = 1384926467 is a prime.

It is a super-2 number, since 2×1384926469² = 3836042649073615922, which contains 22 as substring.

Together with 1384926467, 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 (1384926461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692463234 + 692463235.

It is an arithmetic number, because the mean of its divisors is an integer number (692463235).

Almost surely, 2^1384926469 is an apocalyptic number.

It is an amenable number.

1384926469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384926469 is an equidigital number, since it uses as much as digits as its factorization.

1384926469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 52.

The square root of 1384926469 is about 37214.6002128197. The cubic root of 1384926469 is about 1114.6595430748.

The spelling of 1384926469 in words is "one billion, three hundred eighty-four million, nine hundred twenty-six thousand, four hundred sixty-nine".