1509307840066 has 8 divisors (see below), whose sum is σ = 2438112664764. Its totient is φ = 696603618480.

The previous prime is 1509307840043. The next prime is 1509307840067. The reversal of 1509307840066 is 6600487039051.

It can be written as a sum of positive squares in 2 ways, for example, as 1509027980625 + 279859441 = 1228425^2 + 16729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1509307840067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29025150745 + ... + 29025150796.

Almost surely, 2^{1509307840066} is an apocalyptic number.

1509307840066 is a deficient number, since it is larger than the sum of its proper divisors (928804824698).

1509307840066 is a wasteful number, since it uses less digits than its factorization.

1509307840066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58050301556.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 1509307840066 in words is "one trillion, five hundred nine billion, three hundred seven million, eight hundred forty thousand, sixty-six".