1350423643 has 16 divisors (see below), whose sum is σ = 1429401600. Its totient is φ = 1273789440.

The previous prime is 1350423637. The next prime is 1350423667. The reversal of 1350423643 is 3463240531.

It is a cyclic number.

It is not a de Polignac number, because 1350423643 - 2¹⁷ = 1350292571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350421643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957723 + ... + 959131.

It is an arithmetic number, because the mean of its divisors is an integer number (89337600).

Almost surely, 2^1350423643 is an apocalyptic number.

1350423643 is a deficient number, since it is larger than the sum of its proper divisors (78977957).

1350423643 is a wasteful number, since it uses less digits than its factorization.

1350423643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 1350423643 is about 36748.1107405537. The cubic root of 1350423643 is about 1105.3250459572.

The spelling of 1350423643 in words is "one billion, three hundred fifty million, four hundred twenty-three thousand, six hundred forty-three".