1329653950 has 12 divisors (see below), whose sum is σ = 2473156440. Its totient is φ = 531861560.

The previous prime is 1329653947. The next prime is 1329653959. The reversal of 1329653950 is 593569231.

It is a junction number, because it is equal to n+sod(n) for n = 1329653897 and 1329653906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329653959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13296490 + ... + 13296589.

It is an arithmetic number, because the mean of its divisors is an integer number (206096370).

Almost surely, 2^1329653950 is an apocalyptic number.

1329653950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329653950 is a deficient number, since it is larger than the sum of its proper divisors (1143502490).

1329653950 is a wasteful number, since it uses less digits than its factorization.

1329653950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26593091 (or 26593086 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 1329653950 is about 36464.4203299600. The cubic root of 1329653950 is about 1099.6290622557.

The spelling of 1329653950 in words is "one billion, three hundred twenty-nine million, six hundred fifty-three thousand, nine hundred fifty".