1403969513 has 2 divisors, whose sum is σ = 1403969514. Its totient is φ = 1403969512.

The previous prime is 1403969503. The next prime is 1403969533. The reversal of 1403969513 is 3159693041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225560064 + 178409449 = 35008^2 + 13357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403969513 - 2¹⁴ = 1403953129 is a prime.

It is a super-2 number, since 2×1403969513² = 3942260786866914338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1403969503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701984756 + 701984757.

It is an arithmetic number, because the mean of its divisors is an integer number (701984757).

Almost surely, 2^1403969513 is an apocalyptic number.

It is an amenable number.

1403969513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403969513 is an equidigital number, since it uses as much as digits as its factorization.

1403969513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1403969513 is about 37469.5811692632. The cubic root of 1403969513 is about 1119.7452420672.

The spelling of 1403969513 in words is "one billion, four hundred three million, nine hundred sixty-nine thousand, five hundred thirteen".