1330686901 has 4 divisors (see below), whose sum is σ = 1361633152. Its totient is φ = 1299740652.

The previous prime is 1330686887. The next prime is 1330686911. The reversal of 1330686901 is 1096860331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1330686901 - 2¹¹ = 1330684853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330686911) 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 3 ways as a sum of consecutive naturals, for example, 15473061 + ... + 15473146.

It is an arithmetic number, because the mean of its divisors is an integer number (340408288).

Almost surely, 2^1330686901 is an apocalyptic number.

It is an amenable number.

1330686901 is a deficient number, since it is larger than the sum of its proper divisors (30946251).

1330686901 is an equidigital number, since it uses as much as digits as its factorization.

1330686901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30946250.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1330686901 is about 36478.5814005973. The cubic root of 1330686901 is about 1099.9137400678.

The spelling of 1330686901 in words is "one billion, three hundred thirty million, six hundred eighty-six thousand, nine hundred one".