1350661263 has 16 divisors (see below), whose sum is σ = 2059249920. Its totient is φ = 771394176.

The previous prime is 1350661259. The next prime is 1350661331. The reversal of 1350661263 is 3621660531.

It is not a de Polignac number, because 1350661263 - 2² = 1350661259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350661163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25543 + ... + 57911.

It is an arithmetic number, because the mean of its divisors is an integer number (128703120).

Almost surely, 2^1350661263 is an apocalyptic number.

1350661263 is a deficient number, since it is larger than the sum of its proper divisors (708588657).

1350661263 is a wasteful number, since it uses less digits than its factorization.

1350661263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34366.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1350661263 is about 36751.3436897211. The cubic root of 1350661263 is about 1105.3898730049.

The spelling of 1350661263 in words is "one billion, three hundred fifty million, six hundred sixty-one thousand, two hundred sixty-three".