1384750481 has 2 divisors, whose sum is σ = 1384750482. Its totient is φ = 1384750480.

The previous prime is 1384750463. The next prime is 1384750513. The reversal of 1384750481 is 1840574831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1204090000 + 180660481 = 34700^2 + 13441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384750481 - 2¹⁸ = 1384488337 is a prime.

It is a super-2 number, since 2×1384750481² = 3835067789259462722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1384750681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692375240 + 692375241.

It is an arithmetic number, because the mean of its divisors is an integer number (692375241).

Almost surely, 2^1384750481 is an apocalyptic number.

It is an amenable number.

1384750481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384750481 is an equidigital number, since it uses as much as digits as its factorization.

1384750481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 1384750481 is about 37212.2356356078. The cubic root of 1384750481 is about 1114.6123263650.

The spelling of 1384750481 in words is "one billion, three hundred eighty-four million, seven hundred fifty thousand, four hundred eighty-one".