1329241770 has 24 divisors (see below), whose sum is σ = 3456028836. Its totient is φ = 354464448.

The previous prime is 1329241769. The next prime is 1329241799. The reversal of 1329241770 is 771429231.

It can be written as a sum of positive squares in 2 ways, for example, as 1327072041 + 2169729 = 36429^2 + 1473^2 .

It is a super-2 number, since 2×1329241770² = 3533767366225465800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7384587 + ... + 7384766.

Almost surely, 2^1329241770 is an apocalyptic number.

1329241770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329241770 is an abundant number, since it is smaller than the sum of its proper divisors (2126787066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329241770 is a wasteful number, since it uses less digits than its factorization.

1329241770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14769366 (or 14769363 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1329241770 is about 36458.7680812174. The cubic root of 1329241770 is about 1099.5154256841.

The spelling of 1329241770 in words is "one billion, three hundred twenty-nine million, two hundred forty-one thousand, seven hundred seventy".