1329747050 has 48 divisors (see below), whose sum is σ = 2537367360. Its totient is φ = 518192640.

The previous prime is 1329747037. The next prime is 1329747059. The reversal of 1329747050 is 507479231.

It is a junction number, because it is equal to n+sod(n) for n = 1329746995 and 1329747013.

It is not an unprimeable number, because it can be changed into a prime (1329747059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446491 + ... + 1447409.

It is an arithmetic number, because the mean of its divisors is an integer number (52861820).

Almost surely, 2^1329747050 is an apocalyptic number.

1329747050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329747050 is a deficient number, since it is larger than the sum of its proper divisors (1207620310).

1329747050 is a wasteful number, since it uses less digits than its factorization.

1329747050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 1329747050 is about 36465.6968944788. The cubic root of 1329747050 is about 1099.6547263458.

The spelling of 1329747050 in words is "one billion, three hundred twenty-nine million, seven hundred forty-seven thousand, fifty".