1329650426 has 24 divisors (see below), whose sum is σ = 2218089564. Its totient is φ = 597093120.

The previous prime is 1329650423. The next prime is 1329650431. The reversal of 1329650426 is 6240569231.

It can be written as a sum of positive squares in 6 ways, for example, as 83631025 + 1246019401 = 9145^2 + 35299^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1329650426.

It is not an unprimeable number, because it can be changed into a prime (1329650423) 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 11 ways as a sum of consecutive naturals, for example, 40655 + ... + 65666.

Almost surely, 2^1329650426 is an apocalyptic number.

1329650426 is a deficient number, since it is larger than the sum of its proper divisors (888439138).

1329650426 is a wasteful number, since it uses less digits than its factorization.

1329650426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106386 (or 106373 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1329650426 is about 36464.3720088527. The cubic root of 1329650426 is about 1099.6280908009.

The spelling of 1329650426 in words is "one billion, three hundred twenty-nine million, six hundred fifty thousand, four hundred twenty-six".