1463075381 has 2 divisors, whose sum is σ = 1463075382. Its totient is φ = 1463075380.

The previous prime is 1463075329. The next prime is 1463075399. The reversal of 1463075381 is 1835703641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1454278225 + 8797156 = 38135^2 + 2966^2 .

It is a cyclic number.

It is not a de Polignac number, because 1463075381 - 2¹⁴ = 1463058997 is a prime.

It is a super-2 number, since 2×1463075381² = 4281179140976590322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1463075311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731537690 + 731537691.

It is an arithmetic number, because the mean of its divisors is an integer number (731537691).

Almost surely, 2^1463075381 is an apocalyptic number.

It is an amenable number.

1463075381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463075381 is an equidigital number, since it uses as much as digits as its factorization.

1463075381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1463075381 is about 38250.1683787144. The cubic root of 1463075381 is about 1135.2431781790.

The spelling of 1463075381 in words is "one billion, four hundred sixty-three million, seventy-five thousand, three hundred eighty-one".