1687067093853 has 40 divisors (see below), whose sum is σ = 2679378248448. Its totient is φ = 1055512519776.

The previous prime is 1687067093849. The next prime is 1687067093869. The reversal of 1687067093853 is 3583907607861.

It is not a de Polignac number, because 1687067093853 - 2² = 1687067093849 is a prime.

It is a super-2 number, since 2×1687067093853² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1687067093053) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8444325 + ... + 8641802.

Almost surely, 2^{1687067093853} is an apocalyptic number.

It is an amenable number.

1687067093853 is a deficient number, since it is larger than the sum of its proper divisors (992311154595).

1687067093853 is a wasteful number, since it uses less digits than its factorization.

1687067093853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17086215 (or 17086206 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 1687067093853 in words is "one trillion, six hundred eighty-seven billion, sixty-seven million, ninety-three thousand, eight hundred fifty-three".