1352696909 has 16 divisors (see below), whose sum is σ = 1411164720. Its totient is φ = 1295078400.

The previous prime is 1352696903. The next prime is 1352696911. The reversal of 1352696909 is 9096962531.

It can be written as a sum of positive squares in 8 ways, for example, as 584575684 + 768121225 = 24178^2 + 27715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352696909 - 2⁴ = 1352696893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352696903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3373109 + ... + 3373509.

It is an arithmetic number, because the mean of its divisors is an integer number (88197795).

Almost surely, 2^1352696909 is an apocalyptic number.

It is an amenable number.

1352696909 is a deficient number, since it is larger than the sum of its proper divisors (58467811).

1352696909 is a wasteful number, since it uses less digits than its factorization.

1352696909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 1352696909 is about 36779.0281138586. The cubic root of 1352696909 is about 1105.9449228481.

The spelling of 1352696909 in words is "one billion, three hundred fifty-two million, six hundred ninety-six thousand, nine hundred nine".