1687755035013 has 16 divisors (see below), whose sum is σ = 2268300954240. Its totient is φ = 1116222050304.

The previous prime is 1687755035009. The next prime is 1687755035027. The reversal of 1687755035013 is 3105305577861.

It is a happy number.

It is not a de Polignac number, because 1687755035013 - 2² = 1687755035009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1687755035003) 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, 3851956 + ... + 4267677.

It is an arithmetic number, because the mean of its divisors is an integer number (141768809640).

Almost surely, 2^{1687755035013} is an apocalyptic number.

It is an amenable number.

1687755035013 is a deficient number, since it is larger than the sum of its proper divisors (580545919227).

1687755035013 is a wasteful number, since it uses less digits than its factorization.

1687755035013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120188.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 1687755035013 in words is "one trillion, six hundred eighty-seven billion, seven hundred fifty-five million, thirty-five thousand, thirteen".